Synonyms for Wit (same or very similar meaning)
WordNet sense 1 (a witty amusing person who makes jokes):
card, wagWordNet sense 2 (a message whose ingenuity or verbal skill or incongruity has the power to evoke laughter):
humor, witticism, wittiness, humourWordNet sense 3 (mental ability):
brain, mentality, brainpower, learning ability, mental capacityFrom the ODE community, based on WordNetadd/edit