authenticate
verb
[ ɔːˈθɛntɪkeɪt ]
• prove or show (something) to be true, genuine, or valid.
• "they were invited to authenticate artefacts from the Italian Renaissance"
Similar:
verify,
validate,
prove to be genuine,
certify,
substantiate,
prove,
be proof of,
give proof of,
corroborate,
confirm,
support,
evidence,
attest to,
bear out,
give credence to,
back up,
document,
ratify,
seal,
sanction,
endorse,
guarantee,
Origin:
early 17th century: from medieval Latin authenticat- ‘established as valid’, from the verb authenticare, from late Latin authenticus ‘genuine’ (see authentic).
