The term 'calm down' can be expressed in a variety of ways, including 'SOOTHE' (6 letters), 'RELAX' (5 letters), 'EASY' (4 letters), 'ABATE' (5 letters), 'CHILL' (5 letters), 'coolit' (6 letters), 'nownow' (6 letters), 'SEDATE' (6 letters), 'APPEASE' (7 letters), 'ASSUAGE' (7 letters), 'CHILLAX' (7 letters), 'getagrip' (8 letters), 'loosenup' (8 letters), 'steadyon' (8 letters), 'justrelax' (9 letters), 'takeiteasy' (10 letters), 'donthaveacow' (12 letters), 'controlyourself' (15 letters), and 'keepyourshirton' (15 letters). These words all suggest that the speaker is trying to encourage someone to RELAX and take a step back from a stressful situation.