a professional entertainer who amuses by relating anecdotes, acting out comical situations, engaging in humorous repartee, etc.

an actor in comedy.

a writer of comedy.

any comical or amusing person.

noun

actor , banana , card * , clown , comic , cutup , droll , entertainer , farceur , humorist , jester , joker , jokester , laugh , merry-andrew , million laughs , quipster , stand-up comic , stooge * , top banana * , wag , wisecracker , wit * , zany * , funnyman , wit , zany , amuser , card , chevy chase , fool , prankster , woody allen