What is the meaning of tickling?

noun

• The act of tickling.
  • synonyms: tickle, titillation

verb

• Touch (a body part) lightly so as to excite the surface nerves and cause uneasiness, laughter, or spasmodic movements.
  • synonyms: tickle, titillate, vellicate
• Feel sudden intense sensation or emotion.
  • usage: "he was thrilled by the speed and the roar of the engine"
  • synonyms: thrill, tickle, vibrate
• Touch or stroke lightly.
  • usage: "The grass tickled her calves"
  • synonyms: tickle

adjective

• Exciting by touching lightly so as to cause laughter or twitching movements.
  • synonyms: tingling, titillating