verb (used with object)

verb (used with object)

to establish the truth, accuracy, validity, or genuineness of; corroborate; verify: This report confirms my suspicions.

to acknowledge with definite assurance: Did the hotel confirm our room reservation?

to make valid or binding by some formal or legal act; sanction; ratify: to confirm a treaty; to confirm her appointment to the Supreme Court.

to make firm or more firm; add strength to; settle or establish firmly: Their support confirmed my determination to run for mayor.

to strengthen (a person) in habit, resolution, opinion, etc.: The accident confirmed him in his fear of driving.