Titillates is a word used to describe a feeling of excitement or interest that is aroused in someone. There are several synonyms that can be used to express this feeling. For instance, tantalize, which means to tease or tempt someone with the promise of something they desire but cannot have. Enthrall is another synonym which describes the ability to hold someone's attention or captivate them. Stimulate, excite, arouse, and thrill are other synonyms that can be used in place of titillates to describe a situation where someone is experiencing intense feelings of pleasure and excitement. All of these words convey a sense of intense emotional stimulation, which can be both pleasurable and exciting.