Origin: 1375–1425; behave +
-ior (on model of
havior, variant of
havor <
Middle French (
h)
avoir ≪
Latin habēre to have); replacing
late Middle English behavoure, behaver. See behave, -or1 Related formsbe·hav·ior·al, adjective
be·hav·ior·al·ly, adverb
in·ter·be·hav·ior, noun
in·ter·be·hav·ior·al, adjective
in·ter·be·hav·ior·al·ly, adverb
Synonyms
1. demeanor, manners; bearing, carriage. Behavior, conduct, deportment, comportment refer to one's actions before or toward others, especially on a particular occasion. Behavior refers to actions usually measured by commonly accepted standards: His behavior at the party was childish. Conduct refers to actions viewed collectively, especially as measured by an ideal standard: Conduct is judged according to principles of ethics. Deportment is behavior related to a code or to an arbitrary standard: Deportment is guided by rules of etiquette. The teacher gave Susan a mark of B in deportment. Comportment is behavior as viewed from the standpoint of one's management of one's own actions: His comportment was marked by a quiet assurance.