confirm */*/*/

UK [kənˈfɜː(r)m] / US [kənˈfɜrm] verb
Word forms "confirm":
present tense I/you/we/they confirm he/she/it confirms present participle confirming past tense confirmed past participle confirmed

1) [transitive] to prove that something is true

The study confirms the findings of earlier research.

Please bring something with you that confirms your identity.

confirm (that):

The doctor may do a test to confirm that you are pregnant.

a) to make you feel sure that an idea or belief is right or true

confirm someone's suspicions:

Their strange behaviour was enough to confirm my suspicions.

confirm someone's fears:

When she saw the letter her worst fears were confirmed.

confirm someone in their belief/view/determination etc:

His words confirmed me in my belief that our cause was right.

b) to say that something is definitely true because you know about it

We cannot confirm the number of jobs that will be lost.

confirm that:

The head teacher confirmed that two pupils had been expelled.

2) [intransitive/transitive] to tell someone, usually by writing or telephoning, that something will definitely happen at the time or in the way that has been arranged

The date of the meeting is still to be confirmed.

You can make an appointment now, and then call nearer the time to confirm.

3)

a) [transitive] to formally support something and allow it to happen

The parliament's decision still has to be confirmed in a referendum.

b) to formally accept someone new in an important position

Nigel Hill was yesterday confirmed as the new chief executive.

4) [transitive, usually passive] to formally accept someone into the Christian Church or a Reform Jewish Church in a special ceremony