i Register
In some senses, behave is marked as obsolete. Watch for register when choosing this word.
verb
To conduct (oneself) well, or in a given way; to conform.
You need to behave yourself, young lady.
And the manifest signs that came from heaven unto those that behaved themselves manfully to their honour for Judaism[…]
To act, conduct oneself in a specific manner; used with an adverbial of manner.
He behaves like a child whenever she's around.
How did the students behave while I was gone?
To conduct, manage, regulate (something).
He did behave his anger ere 'twas spent.
But who his limbs with labours, and his mind / Behaues with cares, cannot so easie mis.
To act in a polite or proper way.
His mother threatened to spank him if he didn't behave.
One time when Willie was more set on clowning than on learning about Jesus, Miss Helen ordered, "Willie Mack, you stand up against the wall until you learn to behave."