Antonyms for the phrase "went berserk" could include phrases such as "remained calm," "comported oneself admirably," or "acted rationally." Instead of losing control, one could "stayed composed" or "maintained their composure." Antonyms also include phrases that signify rational thinking. For example, "thought things through," or "considered the situation" shows that a person is thinking critically instead of just acting on impulse. Antonyms of "went berserk" suggest a more rational and measured approach to dealing with difficult situations that may arise. They indicate a desire for peace, calmness, and rationality, instead of impulsiveness, anger, and violent behavior.