wit(n):

1 a : mind, memory b : reasoning power : intelligence
2 a : sense 2a --usually used in plural <alone and warming his five wits, the white owl in the belfry sits -- Alfred Tennyson> b (1) : mental soundness : sanity --usually used in plural (2) : mental capability and resourcefulness : ingenuity
3 a : astuteness of perception or judgment : acumen b : the ability to relate seemingly disparate things so as to illuminate or amuse c (1) : a talent for banter or persiflage (2) : a witty utterance or exchange d : clever or apt humor
4 a : a person of superior intellect : thinker b : an imaginatively perceptive and articulate individual especially skilled in banter or persiflage