General:
* Aphorism: A pithy observation that contains a general truth.
* Epigram: A short, clever, and often memorable saying.
* Quip: A short, clever remark, often made in a humorous way.
* Bon mot: A witty and clever remark.
* Repartee: A quick and clever response.
* Mot: A witty or clever saying.
* Proverb: A short, well-known saying that expresses a common truth or piece of advice.
Humorous:
* Joke: A story or statement intended to be funny.
* Pun: A humorous play on words.
* Satire: A form of humor that uses irony, sarcasm, or ridicule to criticize something.
* Jibes: Taunting remarks made in jest.
* Sarcasm: A sharp, often ironic or satirical remark.
Wise:
* Adage: A proverb or saying that expresses a common truth or piece of advice.
* Maxim: A concise expression of a general truth or rule of conduct.
* Axiom: A statement or proposition that is regarded as being self-evidently true.
The best synonym for "witty saying" depends on the specific context and the tone you want to convey.