Definitions

authenticate

[aw-then-ti-keyt] / ɔˈθɛn tɪˌkeɪt /

VERB

establish as real, genuine

Synonyms

STRONGEST

attest corroborate substantiate validate verify

STRONG

accredit authorize certify confirm endorse guarantee justify prove vouch warrant

WEAK

bear out

Antonyms

STRONGEST

deny disprove reject

STRONG

contradict disapprove disavow discredit invalidate oppose repudiate

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Authenticate, aw-thent′ik-āt, v.t. to make authentic: to prove genuine: to give legal validity to: to certify the authorship of.—ns.

From Chambers's Twentieth Century Dictionary (part 1 of 4: A-D) by Various

Vocabulary lists containing authenticate

This Week in Words: Current Events Vocab for September 7–September 13, 2024

Looking to grow your vocabulary? Check out this interactive, curated word list from our team of English language specialists at Vocabulary.com – one of over 17,000 lists we've built to help learners worldwide!

Honus & Me

Interested in learning more words like this one? Our team at Vocabulary.com has got you covered! You can review flashcards, quiz yourself, practice spelling, and more – and it's all completely free to use!

Vocabulary Video Contest (2013) - List 2

Want to remember this word for good? Start your learning journey today with our library of interactive, themed word lists built by the experts at Vocabulary.com – we'll help you make the most of your study time!