Added 9 October 2026 certification /ˌsɜː.tɪ.fɪˈkeɪ.ʃən/ noun Categories: ActionsLanguageUncommon Words noun ! Definition from WordNet 3.1, Princeton University. Pronunciation from Wiktionary, via Kaikki.org. More about certification at Wordnik → Where our words come from → The act of certifying or bestowing a franchise on. Confirmation that some fact or statement is true through the use of documentary evidence. A document attesting to the truth of certain stated facts. Related Words: certificatecredentialauthenticationcredentialscorroborationdocumentationenfranchisementaccreditationratificationattestationauthorisationcertify Back to today's word