General:
* Amusing
* Hilarious
* Comical
* Humorous
* Entertaining
* Laughable
* Witty
* Clever
* Absurd
More specific:
* Dry: Subtle, understated humor
* Sardonic: Mocking, cynical humor
* Wry: Ironical, often with a hint of sadness
* Cheeky: Impudent, playful humor
* Silly: Childish, nonsensical humor
* Crude: Vulgar, offensive humor
* Black: Dark, morbid humor
Words for people:
* Funny: Someone who makes you laugh
* Humorous: Someone who has a good sense of humor
* Witty: Someone who makes clever and amusing remarks
* Comedic: Someone who is skilled at comedy
The best word to use will depend on the context and the specific type of humor you're trying to describe.