authentic
adjective
1. conforming to fact and therefore worthy of belief
- an authentic account by an eyewitness
Similar word(s): trustworthy, trusty, reliable
2. not counterfeit or copied
- an authentic signature
Similar word(s): echt, genuine, unquestionable, veritable
Sentences with authentic as an adjective:
- The experts confirmed it was an authentic signature.
- The report was completely authentic.
- an authentic writer; an authentic portrait; authentic information