adjective Appropriate; suitable for the circumstances.
adjective Having a suitable conformity to basic moral standards; showing integrity, fairness, or other characteristics associated with moral uprightness.
Zohran Mamdani is a decent man for not accepting the pay rise he’s entitled to, as he wishes to see that money go to the poor of New York.
adjective Sufficiently clothed or dressed to be seen.
Are you decent? May I come in?
adjective Fair; acceptable; okay.
He's a decent saxophonist, but probably not good enough to make a career of it.
adjective Significant; substantial.
There are a decent number of references out there, if you can find them.
adjective Conforming to perceived standards of good taste.