These words all mean to behave well.
You can say that someonebehaves themselves, or that theybehave. You can use these words in imperative sentences to tell someone off when they are behaving badly.
She was under strict orders from her parents to behave herself.
Boys, please behave yourselves in front of our guests.
If he behaves, he could be out of prison very soon.
Billy! Behave!
You can also tell a child tobe on their best behaviourwhen they are in a situation when it is important for them to be good.Behaviouris the UK English spelling of this word. The US English spelling isbehavior.
UKNow, I want you to be on your best behaviour today.