simmer down Synonyms

calm calm down settle down chill out cool it cool off keep one's shirt on keep one's head keep one's cool play it cool pull oneself together control oneself stay loose compose oneself regain one's composure recover one's composure recover one's self-control regain one's self-control quieten down get a grip chill compose cool relax unwind loosen up decompress cool down lighten up take it easy mellow out wind down come back down to earth