[ aw-then-ti-key-shuhn ]
See synonyms for authentication on
  1. the act or process of establishing something as genuine or authoritative: The requisite authentication was performed on each piece before it was donated to the museum.

  2. Also called electronic authentication .Digital Technology. the act or process of establishing identity and verifying permission to access an electronic device or computer network (often used attributively): password authentication;biometric authentication;authentication credentials.

Origin of authentication

First recorded in 1600–20; authenticat(e) + -ion

Other words from authentication

  • re·au·then·ti·ca·tion, noun

Words Nearby authentication Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use authentication in a sentence