calm in WordNet English dictionary

1. make steady
   "steady yourself"
   steady  calm  becalm 
   
2. cause to be calm or quiet as by administering a sedative to
   "The patient must be sedated before the operation"
   sedate  calm  tranquilize  tranquillize  tranquillise 
   
3. make calm or still
   "quiet the dragons of worry and fear"
   calm  calm down  quiet  tranquilize  tranquillize  tranquillise  quieten  lull  still 
   
4. become quiet or calm, especially after a state of agitation
   "After the fight both men need to cool off."; "It took a while after the baby was born for things to settle down again."
   calm  calm down  cool off  chill out  simmer down  settle down  cool it 
   

1. steadiness of mind under stress
   "he accepted their problems with composure and she with equanimity"
   composure  calm  calmness  equanimity 
   
2. wind moving at less than 1 knot; 0 on the Beaufort scale
   calm air  calm 
   

1. (of weather) free from storm or wind
   "calm seas"
   calm 
   
2. not agitated; without losing self-possession
   "spoke in a calm voice"; "remained calm throughout the uproar"; "he remained serene in the midst of turbulence"; "a serene expression on her face"; "she became more tranquil"; "tranquil life in the country"
   calm  unagitated  serene  tranquil