definition of
calmness

[1] #1 calmness n. [composure, calm, equanimity] steadiness of mind under stress; "he accepted their problems with composure and she with equanimity". wn

[2] #2 calmness n. an absence of strong winds or rain. wn

[3] #3 calmness n. a feeling of calm; an absence of agitation or excitement. wn