11 letters · 11 points in Scrabble
noun a tingling feeling of excitement (as from teasing or tickling)
noun an agreeable arousal
noun the act of tickling
originEtymology tree Latin tītillātiō, tītillātiōnembor. English titillation Borrowed from Latin tītillātiō, tītillātiōnem.
Etymology from Wiktionary, CC BY-SA 3.0