Definition of witnessnext

witness

2 of 2

verb

1
as in to attest
to declare (something) to be true or genuine a notary public witnessing wills and other important documents

Synonyms & Similar Words

2
3
as in to testify
to make a solemn declaration under oath for the purpose of establishing a fact I witnessed to the fact that I had seen them together that night

Synonyms & Similar Words

4
as in to experience
to come to a knowledge of (something) by living through it war changes anyone who has ever witnessed it first hand

Synonyms & Similar Words

Synonym Chooser

How does the verb witness contrast with its synonyms?

Some common synonyms of witness are attest, certify, and vouch. While all these words mean "to testify to the truth or genuineness of something," witness applies to the subscribing of one's own name to a document as evidence of its genuineness.

witnessed the signing of the will

When can attest be used instead of witness?

While the synonyms attest and witness are close in meaning, attest applies to oral or written testimony usually from experts or witnesses.

attested to the authenticity of the document

In what contexts can certify take the place of witness?

The meanings of certify and witness largely overlap; however, certify usually applies to a written statement, especially one carrying a signature or seal.

certified that the candidate had met all requirements

When could vouch be used to replace witness?

In some situations, the words vouch and witness are roughly equivalent. However, vouch applies to one who testifies as a competent authority or a reliable person.

willing to vouch for her integrity

Example Sentences

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Recent Examples of witness
Noun
Investigators said disclosures from victims date back to at least 2012, leading detectives to believe additional victims and witnesses may still be out there. Stepheny Price, FOXNews.com, 20 July 2026 Both nude pictures previously described by witnesses were allegedly located on the phone. Nate Anderson, ArsTechnica, 20 July 2026
Verb
The energy, laser focus on the game and excitement among this group was a joy to witness. Meredith Nierman, NPR, 17 July 2026 The same city celebrated as a Black Mecca has also witnessed widening inequality, rising housing costs, and the displacement of many Black residents from neighborhoods their families called home for decades. Jeffrey Bennett, Time, 17 July 2026 See All Example Sentences for witness
Recent Examples of Synonyms for witness
Noun
  • Decisions of this magnitude should be based on careful consideration of all testimony and evidence — not on the appearance that minds were made up before the hearing began or that the views of a few represent the position of the entire Council.
    Voice of the People, New York Daily News, 20 July 2026
  • Boyajian received immunity in exchange for providing testimony, according to ESPN reporting.
    Brian Steinberg, Variety, 20 July 2026
Verb
  • That comment was relayed to our senior writer Zack Rosenblatt, who attested to Banjo’s ability entering the young coordinator’s second season on the job.
    Jourdan Rodrigue, New York Times, 21 July 2026
  • Cadman pleaded guilty to federal charges of conspiracy against rights and attesting to a false tax return and is awaiting sentencing.
    Brittny Mejia, Los Angeles Times, 20 July 2026
Verb
  • If that does happen, drivers may notice smoke coming from the cabin air vents, see flames coming out the passenger side of the engine compartment, or receive a cluster warning message.
    Bryan Hood, Robb Report, 24 July 2026
  • In the event of a short, drivers may notice smoke in the air vents or a warning message on their dashboard followed by flames coming from the passenger's side of the engine compartment.
    ABC News, ABC News, 24 July 2026
Verb
  • Purchases allegedly made by Burke under aliases also included cadaver bags, heavy-duty laundry bags, chain saws, a shovel and a fireproof mat, Byers testified.
    Madeline Morrison, NBC news, 22 July 2026
  • Shortly after Gabbard’s report, Paul, who chairs the Senate Homeland Security and Governmental Affairs Committee, subpoenaed Fauci to testify before the committee.
    CNN Money, CNN Money, 22 July 2026
Verb
  • Some parents are also experiencing delays in receiving the initial $1,000.
    Erik Sherman, Forbes.com, 26 July 2026
  • The park’s lake, Lake Allaman, is currently experiencing a harmful algae bloom.
    Zuri Primos July 26, Kansas City Star, 26 July 2026
Noun
  • That was with the advantage of evidence that people will pay for transportation.
    Erik Sherman, Forbes.com, 21 July 2026
  • Yet lawyers involved told me that Administration policymakers seemed to want specific proof of a war crime, and since the State Department doesn’t run courts to weigh evidence, the lawyers couldn’t prove anything.
    David D. Kirkpatrick, New Yorker, 20 July 2026
Verb
  • Airports would need new fueling systems, aircraft manufacturers would have to certify new designs, and regulators would need global standards for handling and distribution.
    Aamir Khollam, Interesting Engineering, 24 July 2026
  • The judge who in 2024 certified the Vaughn case as a class action ruled that claims for damages against Tesla would have to be made in separate lawsuits.
    Ethan Baron, Mercury News, 24 July 2026
Verb
  • In the underwater video, an adult female orca is seen holding onto a dead sharp-tail sunfish that the group had previously killed.
    Matthew Glasser, ABC News, 23 July 2026
  • If a complaint or case number is available under the tab, click on it and read through the document to see the disciplinary record.
    Ella Moore July 23, Miami Herald, 23 July 2026

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Cite this Entry

“Witness.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/witness. Accessed 26 Jul. 2026.

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