go ballistic Antonyms

remain unruffled recover one's composure regain one's composure compose oneself be at leisure control oneself take time out take one's ease pull oneself together play it cool keep the peace recover one's self-control regain one's self-control become unemotional become tranquil become relaxed become dispassionate keep one's self-control keep one's temper keep control get cool get a grip on oneself stay calm keep one's shirt on keep one's head air-cooled loosen up slack off unwind unbend rest repose relax luxuriate laze ease off ease up keep one's cool quiet down get a grip de-stress simmer down chill out take it easy take time off settle down slow down chill