prudent
adjective uk/ˈpruː.dənt/ us/ˈpruː.dənt/
谨慎的，慎重的；精明的
careful and avoiding risks
[ + to infinitive ] It's always prudent to read a contract carefully before signing it. 签合同前先好好看一下，这样做永远都是明智的。
Synonym: cautious
Opposite: imprudent