/
ˈtɪtɪleɪt/
v.
  - excite or interest, especially through sexually suggestive images or words.
 - archaic lightly touch; tickle.
 
Derivative
- titillating adj.
  - titillatingly adv.
  - titillation n.
 
Etymology
C17 (earlier (ME) as titillation): from L. titillat-, titillare ‘tickle’.