wit

noun

1. the keen perception and cleverly apt expression of those connections between ideas that awaken amusement and pleasure.
2. speech or writing showing such perception and expression.
3. a person having or noted for such perception and expression.
4. understanding, intelligence, or sagacity; astuteness.
5. Usually wits.
   1. powers of intelligent observation, keen perception, ingenious contrivance, or the like; mental acuity, composure, and resourcefulness: using one’s wits to get ahead.
   2. mental faculties; senses: to lose one’s wits; frightened out of one’s wits.