Webster’s Revised Unabridged Dictionary · 1913
Genuine
Gen′u·ine (jĕn′ū·ĭn), a. [L. genuinus, fr. genere, gignere, to beget, in pass., to be born: cf. F. génuine. See Gender.] Belonging to, or proceeding from, the original stock; native; hence, not counterfeit, spurious, false, or adulterated; authentic; real; natural; true; pure; as, a genuine text; a genuine production; genuine materials. "True, genuine night." Dryden.
Syn. — Authentic; real; true; pure; unalloyed; unadulterated. See Authentic.
— Gen′u·ine·ly, adv. — Gen′u·ine·ness, n.
The evidence, both internal and external, against the genuineness of these letters, is overwhelming. Macaulay.