The word "exites" is not a valid English word according to any standard dictionaries. However, assuming that you meant "excites," some of the antonyms for this word are "calms," "soothes," "tranquilizes," "relaxes," "dulls," "quiets," "sedates," "subdues," and "mollifies." These words describe the opposite effects of "excites" on a person or a situation. While excitement signifies a state of intense eagerness, enthusiasm, or stimulation of emotions, its antonyms refer to a state of calmness, peace, or subdued feelings. Therefore, using the right antonyms for "excites" can help us to express the opposite meaning or mood in our communication.