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confirm Definition

con·firm (kən fʉrm′)

transitive verb

  1. to make firm; strengthen; establish; encourage
  2. to make valid by formal approval; ratify
  3. to prove the truth, validity, or authenticity of; verify
  4. to cause to undergo the religious ceremony of confirmation

Etymology: ME confermen < OFr confermer < L confirmare < com-, intens. + firmare, to strengthen < firmus, firm

confirm Related Forms

con·firm′·able adjective

confirm Synonyms

confirm

v.

  1. To strengthen

    make firm, reinforce, establish, fortify; see strengthen.

  2. To ratify

    sanction, affirm, settle; see approve 1, endorse 2.

  3. To prove

    verify, authenticate, validate; see prove, verify. See syn. study at verify.

confirm Usage Examples

Object

  • booking: Deposits and Refunds We require a deposit of £ 200 to confirm the booking of your wedding date.
  • diagnosis: Therefore a test to definitively confirm the diagnosis, ideally early in the disease course, would be of great benefit.
  • receipt: Once your application has been submitted, we will contact you by e-mail to confirm receipt.
  • finding: Another source of trade data, table 8.4 in this big UNCTAD statistics compendium, confirms the finding.
  • presence: Surgical and endoscopic findings confirmed the presence of the obstruction in all the other 9 patients.
  • acceptance: If you have a proof no printing will be done until you confirm acceptance of this proof.

Preposition: on

receipt: You can also apply by email, but places will only be confirmed on receipt of a deposit.

Subject

examination: The diagnosis may be confirmed by a physical examination and x rays.

Adjective complement

dead: Ten ( 10 ) people were confirmed dead while another 10 were missing and presumed dead.

Modifying Another Word

officially: This award was officially confirmed in the London Gazette, in its edition of 26 April 1917.

Used with why or when

  • what: You are confirming what I say in the article.
  • when: Justin walking in with bodyguards: Audience didn't participate, so can't confirm when it was shot.
  • which: Ordinarily no, you can use Inward Processing Relief, however you would need to confirm which method of duty relief is appropriate.
  • who: Step 1 First, confirm who will be the account holder and give your account a name to help you recognize it.
  • that: He also confirmed that was very difficult and dangerous to operate a mobile camera patrol in either village.

Infinitive complement

appear: Dressed to Kill and Parasite have now both been added and confirmed to appear at this years expo.

Preposition: in

writing: Once terms have been agreed and confirmed in writing, they should not be changed unless you agree.

Preposition: by

  • email: It is believed that these sections are non-examinable - to be confirmed by email to those involved.
  • discovery: Their diets included deer, wild boar and reptilians as confirmed by the discovery of these bones at various sites.
  • examination: The diagnosis may be confirmed by a physical examination and x rays.