genuine Definition

genuine
adj

1. Authentic, not artificial or fake.

Thesaurus: authentic, real, true, actual, original, veritable, unadulterated, unmixed, unalloyed, official, certified; Antonym: spurious, sham.
2. Honest; sincere.

Thesaurus: sincere, honest, frank, candid, straightforward, ingenuous.

Derivative: genuinely
adverb

Derivative: genuineness
noun

Etymology: 17c; 16c in obsolete sense ‘natural': from Latin genuinus natural.