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Authenticity: Frequently used, but what's its origin?

Authenticity: Frequently used, but what's its origin?

Feb 06, 2026
09:16 pm

What's the story

"Authenticity" (noun) refers to the quality of being genuine, real, or true. It describes something that is not fake or copied, but original and trustworthy. People often use "authenticity" when talking about honesty, sincerity, or the realness of an object or a person's character.

Origin

Origin of the word

"Authenticity" comes from the Greek word authentikos, meaning "original" or "genuine." It entered English in the late Middle Ages to describe something that is true and not false. Today, it is widely used to describe honesty, reliability, and the true nature of people, objects, or ideas.

Synonyms

Synonyms for 'authenticity'

Some common synonyms for "authenticity" include genuineness, legitimacy, truthfulness, reliability, originality, and validity. These words emphasize the quality of being real, honest, and trustworthy.

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Sentence

Sentence usage

Let's see how "authenticity" is used in sentences: The museum verified the painting's authenticity. Her authenticity made her a trusted leader. In a world of filters, he valued personal authenticity.

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Writing

Why use the word

Using "authenticity" helps express the importance of being real, honest, and trustworthy. It is great for describing people, relationships, art, or ideas that are genuine and true. Whether in writing or speech, "authenticity" adds depth to discussions about trust, identity, and the realness of things.

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