Synonyms for

Confirm

Verb / kʌˈnfɜ:m / Another word for confirm — explore alternatives below. For syllable breakdowns and pronunciation, see this word on Syllablesworld.

Definition

To establish the truth or correctness of something.

Synonyms & similar words

negate support corroborate substantiate sustain reassert affirm validate verify affirm corroborate authenticate ratify endorse approve certify ascertain prove justify warrant back uphold attest support testify establish evidence

Synonyms by register

Formal

verify validate substantiate corroborate endorse

Informal

okay affirm back up agree

Literary

attest avouch certify

Antonyms

deny refute contradict dispute negate disprove reject

Common collocations

  • confirm receipt
  • confirm booking
  • confirm identity
  • confirm details
  • confirm appointment
  • confirm understanding
  • confirm decision

Word family

noun confirmation
verb confirm
adjective confirmable
adverb confirmingly

Usage note

Often used in formal contexts to mean 'to establish the truth or correctness of something'. Can also mean 'to make an arrangement or appointment definite'.

Example sentences

  1. I need to confirm my flight reservation.
  2. The doctor will confirm your appointment for next week.
  3. Can you confirm that the meeting has been rescheduled?
  4. The DNA test will confirm the identity of the suspect.
  5. We need to confirm the accuracy of the data before presenting it.

Quotes

  • The aim of argument, or of discussion, should not be victory, but progress. - Joseph Joubert
  • Education is not the learning of facts, but the training of the mind to think. - Albert Einstein
  • The only true wisdom is in knowing you know nothing. - Socrates

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