Synonyms of the word

authenticated

• v. past participle of authenticate.

attested

• v. simple past tense and past participle of attest.
• adj. Proven; shown to be true with evidence.
• adj. Supported with testimony.
• adj. Certified as good, correct, or pure.
• adj. (linguistics) Of words or languages, proven to have existed by records.

documented

• v. simple past tense and past participle of document.

echt

• adj. proper, real, genuine, true to type.

genuine

• adj. Belonging to, or proceeding from the original stock; native; hence, not counterfeit, spurious, false,…