0 present participle of confirm
1 to make an arrangement or meeting certain, often by phone or writing:
2 to prove that a belief or an opinion that was previously not completely certain is true:
3 to accept someone formally as a full member of the Christian Church at a special ceremony
We'll pencil in the dates for the next two meetings and confirm them later.
Please confirm your reservation in writing by Friday.
All bookings must be confirmed in writing.
He will not confirm or deny the allegations.
His words to the press were deliberately equivocal - he didn't deny the reports but neither did he confirm them.
In the film, he plays a spy whose mission is to confirm the verity of a secret military document.
