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authenticate

/ɒˈθɛn.tɪ.keɪt/ verb

In Latin: authenticō, authentīzō Wiktionary

verb Definition from WordNet 3.1, Princeton University. Pronunciation from Wiktionary, via Kaikki.org. More about authenticate at Wordnik → Where our words come from →

  1. Establish the authenticity of something.

Origin

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

From Wiktionary, via Kaikki.org (CC BY-SA)