Synonyms of authenticated
- 1 Syllable
- vouch
- 2 Syllables
- warrant, confirm, prove, for-sure, attest, sure-thing
- 3 Syllables
- endorse, guarantee, certify, witnessed, accredit, official, justify, verify
- 4 Syllables
- validate, authorize, substantiate, honest-to-god, really-truly
- 5 Syllables
- corroborate, circumstantiated
- 6 Syllables
- authoritative