To follow or obey the custom, practice, or rules (especially of a religion).
To take note of and celebrate (a holiday or similar occurrence); to follow (a type of time or calendar reckoning).
To notice or view, especially carefully or with attention to detail.
To comment on something; to make an observation.
To behave in accordance with, and thereby in turn shape, (a social notion or role).
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 theatrically so as to give the impression of (a quality, character trait, etc.); to feign.
To behave in ways that carry meaning in social contexts.