authenticity Synonyms

genuineness legitimacy truthfulness validity truth credibility honesty veracity reliability realness originality accuracy trustworthiness purity trueness precision reality positiveness uprightness unaffectedness validness transparency surety reliableness reliance sincereness sincerity steadiness substantiality realism substantialness sureness straightness verisimilitude verity flawlessness genuine article authoritativeness dependability factuality factualness predictability reproducibility straightforwardness unfeignedness licitness correctitude viridity faithfulness preciseness