Standard Lemma guide

authenticate

adj · verb · 4 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

Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.

  • Received-Pronunciation: /ɒˈθɛn.tɪ.keɪt/
  • Southern-England: Recorded audio is listed in the source snapshot.
  • General-American: /ɔˈθɛn.tɪ.keɪt/
  • cot-caught-merger: /ɑˈθɛn.tɪ.keɪt/
  • CMU ARPABET: AO0 TH EH1 N T AH0 K EY2 T Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.

1

adj

Meaning 1

Synonym of authentic.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: authentic

Antonyms: none provided

2

verb

Meaning 2

To render authentic; to give authority to, by the proof, attestation, or formalities required by law, or sufficient to entitle to credit.

Definition source: English Wiktionary via Wiktextract

Usage: transitive

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

verb

Meaning 3

To prove authentic; to determine as real and true.

Definition source: English Wiktionary via Wiktextract

Usage: transitive

Examples

  • He didn’t manage to authenticate the portrait: it’s probably a fake.
  • The server could not authenticate the request.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

4

verb

Meaning 4

establish the authenticity of something

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: attest, certify, manifest, demonstrate, evidence

Narrower terms: prove

History

Etymology

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).

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

Across languages

Translations

45 source translations are retained for this English entry.

  • Bulgarian: удостоверявам (udostoverjavam) — to render authentic
  • Bulgarian: установявам автентичността на (ustanovjavam avtentičnostta na) — to render authentic
  • Catalan: autenticar — to render authentic
  • Dutch: authenticeren — to render authentic
  • Dutch: authentificeren — to render authentic
  • Estonian: tõendama — to render authentic
  • Finnish: todentaa — to render authentic
  • Finnish: todistaa oikeaksi — to render authentic
  • German: authentifizieren — to render authentic
  • German: ausweisen — to render authentic
  • Hungarian: hitelesít — to render authentic
  • Māori: whakamotuhēhē — to render authentic
  • Māori: whakatūturu — to render authentic
  • Māori: motuhēhē — to render authentic
  • Māori: hāpono — to render authentic
  • Persian: کیاجیدن — to render authentic
  • Portuguese: autenticar — to render authentic
  • Russian: аутентифицировать (autentificirovatʹ) — to render authentic
  • Spanish: autentificar — to render authentic
  • Spanish: autenticar — to render authentic
  • Tagalog: ipatotoo — to render authentic
  • Bulgarian: проверявам автентичността на (proverjavam avtentičnostta na) — to prove authentic
  • Catalan: autenticar — to prove authentic
  • Danish: autentificere — to prove authentic
  • Dutch: authenticeren — to prove authentic
  • Dutch: authentificeren — to prove authentic
  • Esperanto: aŭtentigi — to prove authentic
  • Estonian: tõendama — to prove authentic
  • Finnish: todentaa — to prove authentic
  • Finnish: todistaa oikeaksi — to prove authentic
  • French: authentifier — to prove authentic
  • German: authentifizieren — to prove authentic
  • German: beglaubigen — to prove authentic
  • Hungarian: eredetiséget megállapít — to prove authentic
  • Latin: authenticō — to prove authentic
  • Latin: authentīzō — to prove authentic
  • Māori: whakamotuhēhē — to prove authentic
  • Māori: hāpono — to prove authentic
  • Portuguese: autenticar — to prove authentic
  • Russian: распознавать (raspoznavatʹ) — to prove authentic
  • Spanish: autentificar — to prove authentic
  • Spanish: autenticar — to prove authentic
  • Walloon: aveuri — to prove authentic
  • Walloon: acertiner — to prove authentic
  • Yiddish: אויטענטיקירן (oytentikirn) — to prove authentic