That or who arouses or arouse. "I am having very arousing thoughts."

Is arousing a verb or adjective?

verb (used with object), a·roused, a·rous·ing. to stir to action or strong response; excite: to arouse a crowd;to arouse suspicion. to stimulate sexually. to awaken; wake up: The footsteps aroused the dog.

What does arousing mean?

: causing stimulation to a state of excitement especially : sexually exciting sexually arousing materials He found the smell of her perfume arousing. —