authentication

C2+ Topic:Actions & Processes

US /ɔˌθɛntɪˈkeɪʃən/ UK /ɔːˌθɛntɪˈkeɪʃən/ See IPA manual

Meanings

1

noun
the process of verifying that something is genuine or valid

Authentication of the manuscript took experts the better part of a year.

Thesaurus

Synonyms

1 noun · the process of verifying... verificationvalidationconfirmation certification corroborationsubstantiation

Opposites

falsification forgery

Word family

Related forms authenticate authentic authenticity authentically

Etymology

From authenticate + -ion. Authenticate derives from Medieval Latin authenticare, from Late Latin authenticus, from Ancient Greek authentikos ('genuine').

authenticus Latin authentikos Ancient Greek

View etymology graph ->

Topics

Actions & Processes Word Formation & Derivatives

External links

# authentication

**Type:** Word
**Level:** C2+
**Part of speech:** noun
**IPA (US):** /ɔˌθɛntɪˈkeɪʃən/
**IPA (UK):** /ɔːˌθɛntɪˈkeɪʃən/

## Meanings
1. the process of verifying that something is genuine or valid

## Examples
- Authentication of the manuscript took experts the better part of a year.

## Synonyms
- verification
- validation
- confirmation
- certification
- corroboration
- substantiation

## Antonyms
- falsification
- forgery

## Related Forms
- authenticate
- authentic
- authenticity
- authentically

## Roots and Affixes
- Root: authenticus
- Root: authentikos

## Etymology
From authenticate + -ion. Authenticate derives from Medieval Latin authenticare, from Late Latin authenticus, from Ancient Greek authentikos ('genuine').

## AI Etymology
Authentication is a noun meaning "the process of verifying that something is genuine or valid". Historically, it is from authenticate + -ion. Authenticate derives from Medieval Latin authenticare, from Late Latin authenticus, from Ancient Greek authentikos ('genuine'). The visible construction is part of the etymology: authentication is not just an unanalyzed simple word. The modern meaning, "the process of verifying that something is genuine or valid", follows the base word through the added English ending. The historical chain links Latin authenticus with Ancient Greek authentikos. Close English family members include authenticate, authentic, authenticity, and authentically.

## Topics
- Actions & Processes
- Word Formation & Derivatives

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