Added 9 October 2026 confirmatory /kənˈfɜː.mə.tə.ɹi/ adjective Categories: Describing WordsRare Words adjective ! Definition from Wiktionary (CC BY-SA). Pronunciation from Wiktionary, via Kaikki.org. More about confirmatory at Wordnik → Where our words come from → Serving to confirm something. Related Words: validatoryconfirmativeconfirmingcorroborativecorroboratoryverificatorysubstantiativesupportivecollateralsubstantiatingvalidatingverifying Back to today's word