calmness
/ˈkɑ(l)mnəs/ noun B1- The state of being calm; tranquillity; silence.
Plural calmnesses
From the library
Tease calmness of temper and presence of mind!
At length, in a voice of forced calmness, he said,--
Elizabeth, however astonished, was at least more prepared for an interview than before, and resolved to appear and to speak with calmness, if he really intended to meet them.
He bore it, however, with admirable calmness.
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