authenticate

English

Pronunciation

• (Received Pronunciation) IPA^(key): /ɒˈθɛn.tɪ.keɪt/

• Audio (Southern England):

  (file)

• (General American) IPA^(key): /ɔˈθɛn.tɪ.keɪt/
• (cot–caught merger) IPA^(key): /ɑˈθɛn.tɪ.keɪt/

Etymology 1

Borrowed from Medieval Latin authenticō. By surface analysis, authentic + -ate (verb-forming suffix).

Verb

authenticate (third-person singular simple present authenticates, present participle authenticating, simple past and past participle authenticated)

1. (transitive) To render authentic; to give authority to, by the proof, attestation, or formalities required by law, or sufficient to entitle to credit.
2. (transitive) To prove authentic; to determine as real and true.

   He didn’t manage to authenticate the portrait: it’s probably a fake.

   The server could not authenticate the request.

Synonyms

• authentify (which is a less common synonym)

Coordinate terms

• identify

Derived terms

• authenticatable
• authentication
• authenticator
• deauthenticate
• reauthenticate
• self-authenticating
• unauthenticated

Related terms

• authentification

Translations

to render authentic

• Bulgarian: удостоверявам (bg) (udostoverjavam), установявам автентичността на (ustanovjavam avtentičnostta na)
• Catalan: autenticar (ca)
• Dutch: authenticeren (nl), authentificeren (nl)
• Estonian: tõendama
• Finnish: todentaa (fi), todistaa oikeaksi
• German: authentifizieren (de), ausweisen (de)
• Hungarian: hitelesít (hu)
• Māori: whakamotuhēhē, whakatūturu, motuhēhē, hāpono
• Persian: کیاجیدن
• Portuguese: autenticar (pt)
• Russian: аутентифицировать (ru) (autentificirovatʹ)
• Spanish: autentificar (es), autenticar (es)
• Tagalog: ipatotoo

to prove authentic

• Bulgarian: проверявам автентичността на (proverjavam avtentičnostta na)
• Catalan: autenticar (ca)
• Danish: autentificere
• Dutch: authenticeren (nl), authentificeren (nl)
• Esperanto: aŭtentigi
• Estonian: tõendama
• Finnish: todentaa (fi), todistaa oikeaksi
• French: authentifier (fr)
• German: authentifizieren (de), beglaubigen (de)
• Hungarian: eredetiséget megállapít
• Latin: authenticō, authentīzō
• Māori: whakamotuhēhē, hāpono
• Portuguese: autenticar (pt)
• Russian: распознавать (ru) (raspoznavatʹ)
• Spanish: autentificar (es), autenticar (es)
• Walloon: aveuri (wa), acertiner (wa)
• Yiddish: אויטענטיקירן (oytentikirn)

Etymology 2

Etymology tree

English authentic

Proto-Indo-European *-h₂

Proto-Indo-European *-éh₂

Proto-Indo-European *-tós

Proto-Indo-European *-eh₂tos

Proto-Italic *-ātos

Latin -ātuslbor.

English -ate

English authenticate

From authentic + -ate (adjective-forming suffix).

Adjective

authenticate (comparative more authenticate, superlative most authenticate)

1. Synonym of authentic.

References

• “authenticate”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.