Authenticator

noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    One who, or something which, authenticates, as agent

    "I did secure a position as a technical advisor and script authenticator on my HBO series, despite the fact that producers didn't think I was qualified for any position."

  2. 2
    one who determines authenticity (as of works of art) or who guarantees validity wordnet
  3. 3
    One who, or something which, authenticates, as:; An app that uses applied cryptography to prove someone's identity to a network connection. agent
  4. 4
    One who, or something which, authenticates, as:; A feature that shows something to be authentic. agent
  5. 5
    One who, or something which, authenticates, as:; A person employed to check the accuracy and realism of a script. agent

Synonyms

All synonyms
appraiserappraiser

Example

More examples

"For example, use Google Authenticator."

Etymology

From authenticate + -or.

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.