IPA: /ɔˈθɛntɪk/
KK: /ɔˈθɛntɪk/
Real and genuine; not fake or copied. Something that is authentic can be trusted because it is true to its origins or claims.
The museum displayed an authentic medieval sword that was over 500 years old.
Authentic → It is formed from "authentikos" (meaning genuine or real) which comes from the Greek "authentes" (meaning one who acts with authority). The word "authentic" means something that is genuine or true to its origins.
Think of something that is 'genuine' or 'real' — that's what authentic means.