TITILLATE
titillate
(verb) excite pleasurably or erotically; “A titillating story appeared in the usually conservative magazine”
tickle, titillate, vellicate
(verb) touch (a body part) lightly so as to excite the surface nerves and cause uneasiness, laughter, or spasmodic movements
Source: WordNet® 3.1
Etymology
Verb
titillate (third-person singular simple present titillates, present participle titillating, simple past and past participle titillated)
To stimulate or excite sensually
Source: Wiktionary
Tit"il*late, v. t. & i. [imp. & p. p. Titillated; p. pr. & vb. n.
Titillating.] Etym: [L. titillatus, p.p. of titillare.]
Definition: To tickle; as, to titillate the nose with a feather.
The pungent grains of titillating dust. Pope.
Source: Webster’s Unabridged Dictionary 1913 Edition