behave

verb4

1. •
   to act in a certain way, especially toward other people

   • He behaves like a child whenever she's around.
   • How did the students behave while I was gone?
2. •
   [with oneself] To conduct (oneself) well, or in a given way; to conform.

   • You need to behave yourself, young lady.
3. •
   To act in a polite or proper way.

   • His mother threatened to spank him if he didn't behave.
4. •
   (no longer used) To conduct, manage, regulate (something).

   • He did behave his anger ere 'twas spent. — 1605