calmness of mind or matter, self-possession

listen to the pronunciation of calmness of mind or matter, self-possession
English - English

Definition of calmness of mind or matter, self-possession in English English dictionary

self">Calmness self">of self">mind self">or matter, self-possession.
composure

Let's hope he doesn't lose his composure.

calmness of mind or matter, self-possession
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