The concept of "fires on" implies a sense of aggression, conflict, or violence. Therefore, its antonyms would be words that convey peace, harmony, and accord. Here are some antonyms for "fires on" - soothes, calms, pacifies, reconciles, conciliates, placates, settles, eases, diffuses, and mitigates. These words indicate the opposite of hostility and aggression, suggesting a state of calmness and tranquility instead. It is crucial to recognize and use these antonyms in conversations to promote a peaceful and composed environment. By opting for the antonyms, we can achieve better communication, mutual understanding, and cooperation among individuals, groups, or nations.