ascertain

déterminer, établir, vérifier

Découvrir ou établir quelque chose avec certitude en vérifiant ou en enquêtant.

En anglais simple : To find out something for certain by checking or investigating.

• We must ascertain the facts.
• The police ascertained the driver’s identity.
• Can you ascertain whether the address is correct?

Comment l'utiliser : ascertain whether… (We need to ascertain whether anyone was injured.); ascertain what/where/how… (Investigators tried to ascertain how the fire started.)

Synonymes : find out, establish, determine, verify

Expressions courantes : ascertain the cause, ascertain the facts, ascertain someone’s identity, ascertain the truth