To perform on behalf of someone or with someone in mind; to behave in a manner befitting someone.
To behave theatrically so as to give the impression of (a quality, character trait, etc.); to feign.
To fulfill contractually agreed-to terms.
To exhibit an expected pattern of behavior; to function; to work.
To act in accordance with (a contract); to fulfill one’s terms of (a contract).
To do (something); to execute.
To do (something) in front of an audience, such as acting or music, often in order to entertain.
To behave in accordance with, and thereby in turn shape, (a social notion or role).
To behave in ways that carry meaning in social contexts.