What is the meaning of wits?

noun

• A message whose ingenuity or verbal skill or incongruity has the power to evoke laughter.
  • synonyms: wit, humor, humour, witticism, wittiness
• Mental ability.
  • usage: "he's got plenty of brains but no common sense"
  • synonyms: brain, brainpower, learning ability, mental capacity, mentality, wit
• A witty amusing person who makes jokes.
  • synonyms: wag, wit, card
• The basic human power of intelligent thought and perception.
  • usage: "he used his wits to get ahead"; "I was scared out of my wits"; "he still had all his marbles and was in full possession of a lively mind"
  • synonyms: marbles