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Definition of Cognisable
1. Adjective. Capable of being known. 
Exact synonyms: Cognizable, Cognoscible, Knowable
Derivative terms: Know, Know, Know, Know, Know
Antonyms: Unknowable
Derivative terms: Know, Know, Know, Know, Know
Antonyms: Unknowable
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1. Adjective. Capable of being known.