wit, humor, irony, sarcasm, satire, repartee mean a mode of expression intended to arouse amusement.

wit suggests the power to evoke laughter by remarks showing verbal felicity or ingenuity and swift perception especially of the incongruous.

humor implies an ability to perceive the ludicrous, the comical, and the absurd in human life and to express these usually without bitterness.

irony applies to a manner of expression in which the intended meaning is the opposite of what is seemingly expressed.

sarcasm applies to expression frequently in the form of irony that is intended to cut or wound.

satire applies to writing that exposes or ridicules conduct, doctrines, or institutions either by direct criticism or more often through irony, parody, or caricature.

repartee implies the power of answering quickly, pointedly, or wittily.