Psychomotor agitation refers to a state of restless physical and mental activity often associated with anxiety, mania, or agitation. Its antonyms, however, refer to various states of calm, stillness, and relaxation. Some of the antonyms of psychomotor agitation include serenity, tranquility, composure, equanimity, and peacefulness. These antonyms describe a state of mind and body that is free from agitation, restlessness, and heightened activity. They point towards a peaceful and centered state of being, where one is able to operate without feeling overly stimulated or frenzied. In essence, these antonyms are words of peace that help to counteract the effects of psychomotor agitation.