authenticity Synonyms

genuineness legitimacy sincerity steadiness straightness substantiality substantialness sureness surety transparency trueness palpability sincereness reliance permissibility persuasion plausibility positiveness precision realism reality realness reliability truth validity correctitude licitness flawlessness truthfulness dependability factuality factualness predictability reliableness obviousness believability self-assurance validness veracity verisimilitude verity faithfulness preciseness traditionalism exactitude materialisation trustworthiness orthodoxy absoluteness certainty