Authenticate

Verb

 * 1) To render authentic; to give authority to, by the proof, attestation, or formalities required by law, or sufficient to entitle to credit.
 * 2) To prove authentic; to determine as real and true; as, to authenticate a portrait.

Thesaurus
OK; accept; accredit; affirm; amen; approve; attest; authorize; autograph; avouch; back; back up; bear out; bolster; buttress; certify; circumstantiate; confirm; corroborate; cosign; countersign; demonstrate; document; endorse; fortify; give permission; give the go-ahead; give the imprimatur; give thumbs up; initial; justify; notarize; pass; pass on; pass upon; permit; probate; prove; ratify; reinforce; rubber stamp; sanction; say amen to; seal; second; sign; sign and seal; strengthen; subscribe to; substantiate; support; sustain; swear and affirm; swear to; test; try; undergird; undersign; underwrite; uphold; validate; verify; visa; vise; vouch for; warrant

Translations

 * Bulgarian: проверявам автентичността на
 * Dutch: authentiseren
 * Finnish: todentaa, todistaa oikeaksi


 * Portuguese: autenticar
 * Spanish:, autenticar


 * Bulgarian: удостоверявам, установявам автентичността на
 * Dutch: authentiseren


 * Finnish: todentaa, todistaa oikeaksi
 * Spanish:, autenticar