authentic
[adjective]
Synonyms: genuine, actual, authoritative, bona fide, legitimate, pure, real, true-to-life, valid

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Antonyms: inauthentic, spurious
Contrasted words: incredible, unconvincing, untrustworthy, equivocal, obscure, uncertain, vague, hypothetical, purported, putative, supposed, supposititious, debatable, doubtful, questionable, nonstandard, deceptive, delusive, delusory, false, misleading, wrong, unidentifiable, unrecognizable
Related Idioms: all wool and a yard wide, to be depended (or relied) on
Related Words: accurate, dependable, factual, reliable, sure, solid, sound, straight, valid, authoritative, cathedral, official, standard, cognizable, identifiable, knowable, recognizable, honest, pure, unadulterated, unalloyed

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English Thesaurus: genuine, real, authentic, true, bona fide, ...

[TahlilGaran] English Synonym Dictionary ▲

au‧then‧tic /ɔːˈθentɪk $ ɒː-/ adjective
[Date: 1300-1400; Language: Old French; Origin: autentique, from Late Latin, from Greek authentikos, from authentes 'person who did a particular thing']

1. done or made in the traditional or original way Synonym : genuine:
authentic French food

2. a painting, document, book etc that is authentic has been proved to be by a particular person Synonym : genuine:
an authentic work by Picasso

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In everyday English, people usually say that something is real or the real thing rather than authentic:
This is real Indian cooking.
How do you know if the picture is the real thing?

3. based on facts:
an authentic account

4. used to describe a copy that is the same as, or as good as, the original:
Actors dressed in authentic costumes re-enact the battle.
—authentically /-kli/ adverb

[TahlilGaran] Dictionary of Contemporary English ▲

genuine used about a feeling, thing, or person that really is what they seem to be:
genuine concern
Experts believe that the painting is genuine.
genuine refugees
a genuine reason for taking time off work
If a student has genuine religious objections to a school activity, they do not have to participate.
real not false or artificial:
real wood
His real name is Reginald.
It looks just like the real thing.
Are those flowers real or artificial?
authentic authentic food, music, clothes etc are correct for the place or the period in history that they are supposed to be from:
It’s a friendly restaurant offering authentic Greek food.
authentic medieval instruments
The dancers wore authentic Native American designs.
true [only before noun] having all the qualities you would expect a particular type of person or thing to have:
a true friend
She is a true professional.
Being a true Red Sox fan, he never missed a game.
True Christians believe that Jesus is the Son of God.
bona fide /ˌbəʊnə ˈfaɪdi $ ˈbəʊnə faɪd/ [usually before noun] bona fide people or things are really what they say they are, especially when this can be checked by looking at official documents:
a bona fide medical qualification
a bona fide company
This club is only open to bona fide members.
hard evidence/facts evidence or facts that are genuine and can be proved:
There was no hard evidence to support the theory.

[TahlilGaran] English Thesaurus ▲