Meaning of confirm

con•firm

Pronunciation: (kun-fûrm'), [key]
— v.t.
  1. to establish the truth, accuracy, validity, or genuineness of; corroborate; verify: This report confirms my suspicions.
  2. to acknowledge with definite assurance: Did the hotel confirm our room reservation?
  3. 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.
  4. to make firm or more firm; add strength to; settle or establish firmly: Their support confirmed my determination to run for mayor.
  5. to strengthen (a person) in habit, resolution, opinion, etc.: The accident confirmed him in his fear of driving.
  6. to administer the religious rite of confirmation to.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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