confirm
US /kənˈfɝːm/
UK /kənˈfɝːm/

1.
confirmer, établir
establish the truth or correctness of (something previously believed, suspected, or reported)
:
•
Please confirm your attendance by Friday.
Veuillez confirmer votre présence avant vendredi.
•
The new evidence confirmed his innocence.
Les nouvelles preuves ont confirmé son innocence.
2.
consolider, affermir
make (something) stronger or more definite
:
•
The agreement was confirmed by a handshake.
L'accord a été confirmé par une poignée de main.
•
His promotion confirmed his status as a rising star.
Sa promotion a confirmé son statut d'étoile montante.