To conduct (oneself) well, or in a given way.
To act in a polite or proper way.
To act, conduct oneself in a specific manner; used with an adverbial of manner.
To play more vigorously.
To make or attempt to make something appear more important, likely, or obvious; to showcase or highlight.
To be unfaithful to a lover; to cheat; used with on.
To misbehave.