genuineness
  真正;誠實
  gen·u·ine a.  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.”
  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.
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  genuineness
       n 1: the state of being genuine [ant: spuriousness]
       2: undisputed credibility [syn: authenticity, legitimacy]