certifyverb/sɛɾ.ti.fiˈkaɾ/mediumcer·ti·fi·carPortuguesEnglishEspanolFrancaisDefinitionTo confirm or attest to the truth or authenticity of something.The official will certify the document.You need to certify your identity before proceeding.synconfirmvalidateEtymologyDo latim 'certificare'Related wordscertificaçãocertificadocertificável