General synonyms:
* Humorist
* Funny person
* Comedienne (for a female comedian)
* Jester (more archaic)
* Wit (emphasizes intelligence and cleverness)
* Entertainer (broader term, can include singers, dancers, etc.)
Synonyms emphasizing specific types of comedy:
* Satirist (political or social commentary)
* Stand-up (performs live, often with a microphone)
* Impressionist (imitates people or characters)
* Clown (physical comedy, often exaggerated)
* Actor (comedic acting in plays or films)
The best synonym will depend on the specific context and the type of comedy you're referring to.