1. to conduct oneself in a careful, cautious, and wise manner; to act with discretion and good judgment
You should behave prudently when investing your savings.
Você deve comportar-se prudentemente ao investir suas economias.
2. to exercise caution and restraint in one's actions and decisions
The diplomat chose to behave prudently during the tense negotiations.
O diplomata optou por comportar-se prudentemente durante as negociações tensas.