Demeanor is defined as the way a person behaves.(noun)
An example of demeanor is someone being peaceful.
See demeanor in Webster's New World College Dictionary
Origin: ME demenure < demenen, to rule, govern oneself, behave < OFr demener, to lead < de- (L de), from + mener, to lead < LL minare, to drive (cattle) < L minari, to threaten: see menace
See demeanor in American Heritage Dictionary 4
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