Definition of Act
1. Noun. A legal document codifying the result of deliberations of a committee or society or legislative body.
Generic synonyms: Instrument, Legal Document, Legal Instrument, Official Document
Specialized synonyms: Nullity, Decree, Edict, Fiat, Order, Rescript, Legislative Act, Statute
Category relationships: Jurisprudence, Law
2. Verb. Perform an action, or work out or perform (an action). "The nanny acted quickly by grabbing the toddler and covering him with a wet towel"
Specialized synonyms: Alternate, Take Turns, End Up, Fetch Up, Finish, Finish Up, Land Up, Wind Up, Festinate, Hasten, Hurry, Look Sharp, Rush, Disturb, Interrupt, React, Respond, Go Ahead, Plow Ahead, Aggress, Attack, Force, Create, Come Forward, Come Out, Come To The Fore, Step Forward, Step To The Fore, Step Up, Pay Back, Repay, Reward, Satisfice, Satisfise, Maneuver, Manoeuver, Manoeuvre, Dispatch, Evade, Race, Use, Play It By Ear, Play, Deal, Partner, Exert, Egotrip, Reciprocate, Go, Move, Proceed, Come Close, Perform, Dare, Make Bold, Presume, Engage, Prosecute, Pursue, Act On, Interact, Oppose, React, Take Time By The Forelock, Coact, Offer, Volunteer, Get Around To, Dally, Flirt, Play, Toy, Approach, Go About, Set About, Participate, Take Part, Misbehave, Misconduct, Misdemean, Condescend, Lower Oneself, Stoop, Acquit, Bear, Behave, Carry, Comport, Conduct, Deport, Behave, Comport, Assay, Attempt, Essay, Seek, Try, Court, Romance, Solicit, Woo, Court, Dare, Effect, Antagonise, Antagonize, Counteract, Anticipate, Counter, Foresee, Forestall, Prosecute, Commit, Perpetrate, Pull, Rampage, Contend, Cope, Deal, Get By, Grapple, Make Do, Make Out, Manage, Condescend, Deign, Descend, Condescend, Take Care, Act Superior, Lord It Over, Put On Airs, Queen It Over, Stampede, Make A Point, Make Sure, Repeat, Take Over, Surprise, Sneak, Play, Take, Guard, Begin, Start, Go Off At Half-cock, Go Off Half-cocked, Hold Back, Hold Off, Wait, Continue, Go Along, Go On, Keep, Proceed, Do Well, Had Best, Continue, Continue, Persist In
Also: Act On, Act Up, Act Upon
Derivative terms: Action, Action, Move
3. Noun. Something that people do or cause to happen.
Generic synonyms: Event
Specialized synonyms: Action, Acquiring, Getting, Causation, Causing, Delivery, Obstetrical Delivery, Departure, Going, Going Away, Leaving, Discovery, Find, Uncovering, Disposal, Disposition, Effectuation, Implementation, Egress, Egression, Emergence, Equalisation, Equalization, Leveling, Digging Up, Disinterment, Exhumation, Mitsvah, Mitzvah, Actuation, Propulsion, Recovery, Retrieval, Running Away, Touch, Touching, Nonaccomplishment, Nonachievement, Leaning, Motivating, Motivation, Assumption, Rejection, Forfeit, Forfeiture, Sacrifice, Derivation, Activity, Hire, Wear, Wearing, Assessment, Judgement, Judgment, Production, Stay, Abidance, Residence, Residency, Inactivity, Hinderance, Hindrance, Interference, Stop, Stoppage, Group Action, Distribution, Legitimation, Permissive Waste, Waste, Proclamation, Promulgation, Communicating, Communication, Speech Act
Derivative terms: Actuate, Actuate
4. Verb. Behave in a certain manner; show a certain behavior; conduct or comport oneself. "The dog acts ferocious, but he is really afraid of people"
Specialized synonyms: Act Involuntarily, Act Reflexively, Bend Over Backwards, Fall Over Backwards, Presume, Vulgarise, Vulgarize, Optimise, Optimize, Quack, Menace, Make, Bluster, Swagger, Swash, Freeze, Wanton, Romanticize, Sentimentalise, Sentimentalize, Sentimentise, Sentimentize, Bungle, Play, Toy, Act As, Play, Stooge, Jest, Joke, Piffle, Make, Make As If, Break Down, Lose It, Snap, Dally, Dawdle, Backslap, Hugger Mugger, Sauce, Footle, Frivol, Trifle, Puff Up, Swell, Follow, Loosen Up, Relax, Rage, Ramp, Storm
Related verbs: Act As, Play, Dissemble, Pretend
Also: Act Up
5. Noun. A subdivision of a play or opera or ballet.
Generic synonyms: Dramatic Composition, Dramatic Work
Terms within: Scene
6. Verb. Play a role or part. "She played the servant to her husband's master"
Category relationships: Performing Arts
Related verbs: Act As, Play, Play, Playact, Roleplay, Play
Specialized synonyms: Make, Make Believe, Pretend, Support, Act Out, Enact, Reenact, Act Out, Impersonate, Portray, Parody, Emote
Generic synonyms: Re-create
Derivative terms: Actable, Acting, Actor, Play, Play, Player, Playing, Representation
7. Noun. A short theatrical performance that is part of a longer program. "It was one of the best numbers he ever did"
Generic synonyms: Performance, Public Presentation
Specialized synonyms: Show-stopper, Showstopper, Stopper
8. Verb. Discharge one's duties. "In what capacity are you acting?"
9. Noun. A manifestation of insincerity. "He put on quite an act for her benefit"
10. Verb. Pretend to have certain qualities or state of mind. "She plays deaf when the news are bad"
11. Verb. Be suitable for theatrical performance. "This scene acts well"
12. Verb. Have an effect or outcome; often the one desired or expected. "The medicine works only if you take it with a lot of water"
Related verbs: Bring, Make For, Play, Work, Wreak
Generic synonyms: Bring Home The Bacon, Come Through, Deliver The Goods, Succeed, Win
Derivative terms: Work, Workable
13. Verb. Be engaged in an activity, often for no particular purpose other than pleasure.
14. Verb. Behave unnaturally or affectedly. "She's just acting"
Related verbs: Behave, Do
Specialized synonyms: Assume, Feign, Sham, Simulate
Derivative terms: Pretender
15. Verb. Perform on a stage or theater. "I played in `A Christmas Carol'"
Category relationships: Dramatic Art, Dramatics, Dramaturgy, Theater, Theatre
Generic synonyms: Perform
Related verbs: Play, Play, Play, Represent
Specialized synonyms: Stooge, Mime, Pantomime, Ham, Ham It Up, Overact, Overplay, Underact, Underplay
Derivative terms: Actable, Acting, Actor, Play, Play, Player, Playing, Playacting, Playactor, Roleplaying
Definition of Act
1. n. That which is done or doing; the exercise of power, or the effect, of which power exerted is the cause; a performance; a deed.
2. v. t. To move to action; to actuate; to animate.
3. v. i. To exert power; to produce an effect; as, the stomach acts upon food.
Definition of Act
1. Initialism. Australian Capital Territory, a federal territory of Australia. ¹
2. Initialism. A certain standardized college admissions test in the United States, originally called the (term American College Test). ¹
3. Noun. Something done, a deed. ¹
4. Noun. (obsolete uncountable) Actuality. ¹
5. Noun. A product of a legislative body, a statute. ¹
6. Noun. The process of doing something. ¹
7. Noun. A formal or official record of something done. ¹
8. Noun. A division of a theatrical performance. ¹
9. Noun. A performer or performers in a show. ¹
10. Noun. (countable ) Any organized activity. ¹
11. Noun. A display of behaviour. ¹
12. Verb. (intransitive) To do something. ¹
13. Verb. (intransitive) To perform a theatrical role. ¹
14. Verb. (intransitive) To behave in a certain way. ¹
15. Verb. (context: copulative) To convey an appearance of being. ¹
16. Verb. (intransitive construed with '''on''' or '''upon''') To have an effect (on). ¹
17. Verb. (transitive) To play (a role). ¹
18. Verb. (transitive) To feign. ¹
19. Verb. (mathematics intransitive construed with '''on''' or '''upon''' of a group) To map via a homomorphism to a group of automorphisms (of). ¹
¹ Source: wiktionary.com
Definition of Act
1. to do something [v -ED, -ING, -S]
Medical Definition of Act
1. 1. That which is done or doing; the exercise of power, or the effect, of which power exerted is the cause; a performance; a deed. "That best portion of a good man's life, His little, nameless, unremembered acts Of kindness and of love." (Wordsworth) Hence, in specific uses: The result of public deliberation; the decision or determination of a legislative body, council, court of justice, etc.; a decree, edit, law, judgment, resolve, award; as, an act of Parliament, or of Congress. A formal solemn writing, expressing that something has been done. A performance of part of a play; one of the principal divisions of a play or dramatic work in which a certain definite part of the action is completed. A thesis maintained in public, in some English universities, by a candidate for a degree, or to show the proficiency of a student. 2. A state of reality or real existence as opposed to a possibility or possible existence. "The seeds of plants are not at first in act, but in possibility, what they afterward grow to be." (Hooker) 3. Process of doing; action. In act, in the very doing; on the point of (doing). "In act to shoot." "This woman was taken . . . In the very act." (John viii. 4) Act of attainder. An inevitable accident; such extraordinary interruption of the usual course of events as is not to be looked for in advance, and against which ordinary prudence could not guard. Act of grace, an expression often used to designate an act declaring pardon or amnesty to numerous offenders, as at the beginning of a new reign. Act of indemnity, a statute passed for the protection of those who have committed some illegal act subjecting them to penalties. Act in pais, a thing done out of court (anciently, in the country), and not a matter of record. Synonym: See Action. Origin: L. Actus, fr. Agere to drive, do: cf. F. Acte. See Agent. 1. To exert power; to produce an effect; as, the stomach acts upon food. 2. To perform actions; to fulfill functions; to put forth energy; to move, as opposed to remaining at rest; to carry into effect a determination of the will. "He hangs between, in doubt to act or rest." (Pope) 3. To behave or conduct, as in morals, private duties, or public offices; to bear or deport one's self; as, we know not why he has acted so. 4. To perform on the stage; to represent a character. "To show the world how Garrick did not act." (Cowper) To act as or for, to do the work of; to serve as. To act on, to regulate one's conduct according to. To act up to, to equal in action; to fulfill in practice; as, he has acted up to his engagement or his advantages. Source: Websters Dictionary (01 Mar 1998)