Standard Lemma guide

authenticator

noun · 5 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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1

noun

Meaning 1

One who, or something which, authenticates, as

Definition source: English Wiktionary via Wiktextract

Usage: agent

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

One who, or something which, authenticates, as:

An app that uses applied cryptography to prove someone's identity to a network connection.

Definition source: English Wiktionary via Wiktextract

Usage: agent

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

noun

Meaning 3

One who, or something which, authenticates, as:

A feature that shows something to be authentic.

Definition source: English Wiktionary via Wiktextract

Usage: agent

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

4

noun

Meaning 4

One who, or something which, authenticates, as:

A person employed to check the accuracy and realism of a script.

Definition source: English Wiktionary via Wiktextract

Usage: agent

Topics: broadcasting, film, media, television

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

5

noun

Meaning 5

one who determines authenticity (as of works of art) or who guarantees validity

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: appraiser

Antonyms: none provided

Broader terms: critic

History

Etymology

Etymology tree Medieval Latin authenticōbor. English authenticate Proto-Indo-European *-tōr Proto-Italic *-tōr Latin -tor Latin -ātor Old French -eorbor. Middle English -our ▲ Latin -torlbor. English -or English authenticator From authenticate + -or.

Across languages

Translations

3 source translations are retained for this English entry.

  • French: authentifiant — one who authenticates
  • German: Beglaubiger — one who authenticates
  • German: Beglaubigerin — one who authenticates