Excitative has several antonyms, including calming, soothing, relaxing, pacifying, tranquilizing, and sedative. These terms indicate a state of being that is opposite to what excitative signifies. Calming and soothing have a peaceful connotation, suggesting a feeling of peace and tranquillity. Pacifying and tranquilizing have a calming effect, reducing anxiety or agitation. Sedative suppresses excitement, dulls the senses or induces sleep. These antonyms can be used in various contexts, such as describing the effect of music or a drug on a person's mood, or how an activity can affect the emotions or the way a person feels.