transitive verb Etymology: Middle English, from Anglo-French cunfermer, from Latin confirmare, from com- + firmare to make firm, from firmus firm Date: 13th century 1. to give approval to ; ratify <
confirm a treaty
2. to make firm or firmer ; strengthen <
confirm one's resolve
3. to administer the rite of confirmation to 4. to give new assurance of the validity of ; remove doubt about by authoritative act or indisputable fact <
confirm a rumor
confirm an order
confirmability nounconfirmable adjective Synonyms: confirm, corroborate, substantiate, verify, authenticate, validate mean to attest to the truth or validity of something. confirm implies the removing of doubts by an authoritative statement or indisputable fact <
confirmed the reports
. corroborate suggests the strengthening of what is already partly established <
witnesses corroborated his story
. substantiate implies the offering of evidence that sustains the contention <
the claims have yet to be substantiated
. verify implies the establishing of correspondence of actual facts or details with those proposed or guessed at <
all statements of fact in the article have been verified
. authenticate implies establishing genuineness by adducing legal or official documents or expert opinion <
handwriting experts authenticated the diaries
. validate implies establishing validity by authoritative affirmation or by factual proof <
validated the hypothesis by experiments

New Collegiate Dictionary. 2001.


Look at other dictionaries:

  • confirm — con·firm vt 1 a: to make valid by necessary formal approval the debtor s chapter 13 plan confirm ed by the court b: to vote approval of confirm a nomination 2: to give formal acknowledgment of receipt of 3 …   Law dictionary

  • confirm — con‧firm [kənˈfɜːm ǁ fɜːrm] verb [transitive] 1. to say or show that something is definitely true: • The company said the report confirmed what its own directors and accountants had already established. confirm that • Walsh confirmed that the… …   Financial and business terms

  • Confirm — Con*firm , v. t. [imp. & p. p. {Confrmed}; p. pr. & vb. n. {Confirming}.] [OE. confermen, confirmen, OF. confermer, F. confirmer, fr. L. confirmare; con + firmare to make firm, fr. firmus firm. See {Firm}.] 1. To make firm or firmer; to add… …   The Collaborative International Dictionary of English

  • confirm — 1 *ratify Analogous words: *assent, consent, acquiesce, accede, subscribe: validate (see CONFIRM 2): sanction, *approve, endorse Contrasted words: reject, refuse, *decline 2 Confirm, corroborate, substantiate, verify, authentica …   New Dictionary of Synonyms

  • confirm — [kən fʉrm′] vt. [ME confermen < OFr confermer < L confirmare < com , intens. + firmare, to strengthen < firmus, FIRM1] 1. to make firm; strengthen; establish; encourage 2. to make valid by formal approval; ratify 3. to prove the truth …   English World dictionary

  • confirm — [v1] ratify, validate, prove affirm, approve, attest, authenticate, back, bear out, bless, buy, certify, check, check out, circumstantiate, corroborate, debunk, double check, endorse, establish, explain, give green light*, give high sign*, give… …   New thesaurus

  • confirm — ► VERB 1) establish the truth or correctness of. 2) state with assurance that something is true. 3) make definite or formally valid. 4) (confirm in) reinforce (someone) in (an opinion or feeling). 5) (usu. be confirmed) administer the religious… …   English terms dictionary

  • confirm — mid 13c., confirmyn to ratify, from O.Fr. confermer (13c., Mod.Fr. confirmer) strengthen, establish, consolidate; affirm by proof or evidence; anoint (a king), from L. confirmare make firm, strengthen, establish, from com , intensive prefix (see… …   Etymology dictionary

  • confirm — con|firm W2S2 [kənˈfə:m US ə:rm] v [T] [Date: 1200 1300; : Old French; Origin: confirmer, from Latin confirmare, from com ( COM ) + firmare to make firm ] 1.) to show that something is definitely true, especially by providing more proof ▪ New… …   Dictionary of contemporary English

  • 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… …   English dictionary

  • confirm — con|firm [ kən fɜrm ] verb *** 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 run a test to confirm …   Usage of the words and phrases in modern English

Share the article and excerpts

Direct link
Do a right-click on the link above
and select “Copy Link”