genuine, real, true, authentic, actual, bona fide, legitimate, unquestionable, undeniable, certain, indubitable, verifiable, certified, confirmed, substantiated, validated, attested, proven, establish... [plus]
genuine, real, true, authentic, actual, bona fide, legitimate, unquestionable, undeniable, certain, indubitable, verifiable, certified, confirmed, substantiated, validated, attested, proven, establish... [plus]