tr.v. ver·i·fied, ver·i·fy·ing, ver·i·fies
1. To demonstrate the truth or accuracy of, as by the presentation of evidence: experiments that verified the hypothesis. See Synonyms at confirm.
a. To attest to the truth of (something) formally or under oath.
b. To make a formal verification in support of (a pleading).
[Middle English verifien, from Old French verifier, from Medieval Latin vērificāre : Latin vērus, true; see wērə-o- in the Appendix of Indo-European roots + Latin -ficāre, -fy.]
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2018 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Indo-European & Semitic Roots Appendices
Thousands of entries in the dictionary include etymologies that trace their origins back to reconstructed proto-languages. You can obtain more information about these forms in our online appendices:
The Indo-European appendix covers nearly half of the Indo-European roots that have left their mark on English words. A more complete treatment of Indo-European roots and the English words derived from them is available in our Dictionary of Indo-European Roots.