The suggestive descriptions in that romantic novel titillated the readers.

titillated 是动词 titillate 的过去式形式。titillate 来自拉丁语 titillare（挠痒），引申为"使兴奋、挑逗"，常用来描述通过暗示或挑逗引起轻微兴奋感的行为。