authentication

noun au·then·ti·ca·tion \ ə-ˌthen-ti-ˈkā-shən , ȯ- \

Definition of authentication

plural authentications
: an act, process, or method of showing something (such as an identity, a piece of art, or a financial transaction) to be real, true, or genuine : the act or process of authenticating something
  • Historically, the authentication of art fell to connoisseurs …
  • —Colette Bancroft
  • Encryption and decryption, combined with user authentication, ensure that only intended recipients read the messages.
  • —Sal Ricciardi
  • Mostly, notaries have to be adept at the authentication arts. In an era of multiple-personality disorder, cross-dressing, sex-change surgery and bogus IDs, people aren't always who they appear to be. On the notary public rests the responsibility to verify a person's true identity and attest to it.
  • —Colette Bancroft
  • Giving users a way to prove that they're being harassed with, say, a screenshot or some other form of authentication could help Twitter catch bad actors, even after they've covered their tracks.
  • —Issie Lapowsky
  • often used before another noun
    • authentication codes
    • authentication techniques
    • authentication keys

First Known Use of authentication

1612

in the meaning defined above

See Words from the same year
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