noun (n)

• a tingling feeling of excitement (as from teasing or tickling)(noun.feeling)

  source: wordnet30
• an agreeable arousal(noun.act)

  source: wordnet30
• the act of tickling(noun.act)

  Synonym:
  tickle, tickling
  

  source: wordnet30
• The act of tickling, or the state of being tickled; a tickling sensation.(noun)

  source: webster1913