confirmer

/kɔ̃.fiʁ.me/
1.
verbInf1stPres

to confirm (an appointment, reservation, decision); to state or verify that something is fixed or correct

Je t'appelle pour confirmer notre rendez-vous de demain.

I'm calling to confirm our meeting tomorrow.

Synonyms:valider, entériner, reconfirmer
2.
verbInf1stPres

to corroborate or reinforce (a theory, suspicion, impression); to prove something to be true or more certain

Ces résultats viennent confirmer mon hypothèse.

These results serve to confirm my hypothesis.

Synonyms:corroborer, appuyer, étayer, démontrer
confirmer - French Definition & Examples