Never.
To render authentic; to give authority to, by the proof, attestation, or formalities required by law, or sufficient to entitle to credit., To prove authentic; to determine as real and true; as, to authenticate a portrait.
not false or copied,and trustworthy
Authentic means real or genuine.
It means "the authentic", or "the genuine"
authentic Mexican style
Authentic materials are resources that are created for native speakers and reflect real-life language as it is used by native speakers. These materials can include newspapers, books, videos, podcasts, and websites. Using authentic materials in language learning helps to expose learners to natural language use and cultural context.
When a friend likes you for what you are, it is called genuine and authentic.
It means it's not real. Not authentic a fake
It means that the physic development
if you want an authentic experience, go there! Where can I find an authentic Chinese restaurant.
H. P. Knowles has written: 'The development of an authentic voice in American feminist literature of the 1960's.'