How do you say indulgence in Japanese?
— 贖宥状

Generic synonyms for indulgence in Japanese
play遊ぶ (あそぶ, asobu)
Derivative terms for indulgence in Japanese
fool愚か者 (おろかもの, orokamono); 惚け (ぼけ, boke); 馬鹿 (ばか, baka); 愚者 (ぐしゃ, gusha); あほ (aho); (aho)