certify usually applies to a written statement, especially one carrying a signature or seal.
certified that the candidate had met all requirements
attest applies to oral or written testimony usually from experts or witnesses.
attested to the authenticity of the document
witness applies to the subscribing of one's own name to a document as evidence of its genuineness.
witnessed the signing of the will
vouch applies to one who testifies as a competent authority or a reliable person.
willing to vouch for her integrity
Example Sentences
Recent Examples on the Web
Verb
Knowing someone who already made it behind the velvet rope and can vouch for you is a plus. Andrea Chang, Los Angeles Times, 9 Sep. 2022 Long-time readers of my political columns can vouch for that. Jason Williams, The Enquirer, 1 Sep. 2022 Ask friends, neighbors and family members to promote and vouch for you. Nerdwallet, cleveland, 24 July 2022 If your ideal summer involves outdoor movie nights (one reviewer's favorite use), al fresco dining on the patio with your partner, or plenty of reading in the sun, buyers all vouch for this daybed as a great solution. Annie Burdick, PEOPLE.com, 23 June 2022 Allure commerce writer Jennifer Hussein can vouch for the staying power of Rose Inc's Blush Divine Clean Dewy Cream Blush. Sarah Hoffmann, Allure, 30 June 2022 Instagram is testing three options: requiring users to upload IDs; ask adult Instagram friends to vouch for their ages; or submit videos of their faces that will be analyzed to estimate age. Maddie Ellis, WSJ, 23 June 2022 The 50,000-plus fans who serenaded Anderson with a standing ovation can vouch for that. Dylan Hernández, Los Angeles Times, 16 June 2022 While our editors and contributors have used these masks and can vouch for their comfort and feel in public settings, a large majority of these should not be used for medical purposes. The Editors, Outside Online, 31 July 2020 See More
Word History
Etymology
Verb
Middle English vochen, vouchen, from Anglo-French voucher to call, vouch, from Latin vocare to call, summon, from vox voice — more at voice