Added 9 October 2026
confirmation
/ˌkɑn.fəɹˈmeɪ.ʃən/ noun
In Latin: confirmatio Wiktionary
noun Definition from WordNet 3.1, Princeton University. Pronunciation from Wiktionary, via Kaikki.org. More about confirmation at Wordnik → Where our words come from →
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Additional proof that something that was believed (some fact or hypothesis or theory) is correct.
fossils provided further confirmation of the evolutionary theory
- Information that confirms or verifies.
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Making something valid by formally ratifying or confirming it.
the ratification of the treaty
Origin
From Middle English confirmacioun, from Old French confirmacion, from Latin cōnfirmātiō, noun of process from cōnfirmātus (“confirmed”), perfect passive participle of cōnfirmāre, from con- (“with”) + firmāre (“to firm or strengthen”). Morphologically confirm + -ation.
From Wiktionary, via Kaikki.org (CC BY-SA)