wit

noun

• (now usually in the plural) Sanity.

  "He's gone completely out of his wits."

• (obsolete usually in the plural) The senses.
• Intellectual ability; faculty of thinking, reasoning.

  "Where she has gone to is beyond the wit of man to say."

• The ability to think quickly; mental cleverness, especially under short time constraints.

  "My father had a quick wit and a steady hand."

• Intelligence; common sense.

  "The opportunity was right in front of you, and you didn't even have the wit to take it!"

• Humour, especially when clever or quick.

  "The best man's speech was hilarious, full of wit and charm."

• A person who tells funny anecdotes or jokes; someone witty.

  "Your friend is quite a wit, isn't he?"