behave
US /bɪˈheɪv/
UK /bɪˈheɪv/

1.
comportar-se, agir
act or conduct oneself in a specified (and usually acceptable) way
:
•
The children behaved well during the trip.
As crianças se comportaram bem durante a viagem.
•
You need to behave yourself at school.
Você precisa se comportar na escola.