authenticate
verbformal/awtẽtiˈkaɾ/medium
au·ten·ti·car
Definition
To confirm or attest to the genuineness, truth, or validity of something.
You must authenticate your identity with a password.
The expert was called to authenticate the painting.
Common collocations
authenticate a documentauthenticate a signatureauthenticate identitydigitally authenticate
Etymology
Do grego 'authentikós' (autêntico) através do latim medieval 'authenticare'.