Confirm Definition

confirmed, confirms
confirmed, confirms
To prove the truth, validity, or authenticity of; verify.
Webster's New World
To reaffirm the establishment of (a reservation or advance arrangement).
American Heritage
To make firm; strengthen; establish; encourage.
Webster's New World
To make valid by formal approval; ratify.
Webster's New World
To cause to undergo the religious ceremony of confirmation.
Webster's New World

Origin of Confirm

  • Middle English confirmen from Old French confermer from Latin cōnfirmāre com- intensive pref. com– firmāre to strengthen (from firmus strong dher- in Indo-European roots)

    From American Heritage Dictionary of the English Language, 5th Edition

  • From Middle English, from Old French confermer, from Latin confirmāre (“to make firm, strenghten, establish”), from com- (“together”) with firmare (“to make firm”), from firmus (“firm”).

    From Wiktionary


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