/ kəmˈpɔːtmənt; NAmE -ˈpɔːrt-/ noun
[ U ] ( formal ) the way in which sb/sth behaves :
She won admiration for her comportment during the trial.
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WORD ORIGIN
late 16th cent.: from French comportement , from the verb comporter , from Latin comportare , from com- together + portare carry, bear.