witness 1 of 2

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
The stairs bear witness to feet, flitting up and down, a whispering flood of life that has carried us forth to this day. Literary Hub, 19 June 2026 New Lenox police questioned Columbaris after taking witness statements and possessing evidence, including the cellphone, according to police. Olivia Stevens, Chicago Tribune, 19 June 2026
Verb
Scientists can draw on it to identify and study 100,000 exoplanets, hundreds of millions of galaxies, billions of stars, and rare objects and phenomena — including some that astronomers have never witnessed before. Richard Tribou, The Orlando Sentinel, 17 June 2026 For the viewer, the satisfaction comes through vicarious tactile sensation—witnessing how the thatch gets smacked in by a flat, hammerlike device, or the way a tile slots perfectly into a shelf niche. Kyle Chayka, New Yorker, 17 June 2026 See All Example Sentences for witness
Recent Examples of Synonyms for witness
Noun
  • Allman’s testimony caused a rupture in the band and resulted in the first of several band breakups.
    Steve Bloom, Rolling Stone, 16 June 2026
  • In April the hearing resumed with three searing days of testimony.
    Karen Valby, Vanity Fair, 16 June 2026
Verb
  • If the underlying model behind an agent can be identified and attested, then trust no longer has to rest on the interface alone.
    Sean Lee, Forbes.com, 19 June 2026
  • And as many police officers will attest, those investments make policing more effective, not less.
    Diane Goldstein, Mercury News, 19 June 2026
Verb
  • Sensors alone are not a cure for such failures, but better measurements can help engineers notice when important details are changing.
    Alex Krasnok, Fortune, 21 June 2026
  • Pryor also noticed that Black students were frequently more hesitant to participate in these conversations.
    Marybeth Gasman, Forbes.com, 21 June 2026
Verb
  • Lincoln police captain and former Sacramento police gang investigator Zach Eaton testified that Mtula Payton and Dandrae Martin, surviving defendants facing murder charges, were among the players in Sacramento’s complex web of street gangs at the time of the city’s worst-ever mass shooting.
    Darrell Smith, Sacbee.com, 17 June 2026
  • Bastien was listed in court documents as a potential witness in the prosecution’s case against Noreus, but did not testify.
    Annie Martin, The Orlando Sentinel, 17 June 2026
Verb
  • While fans gather at the stadium itself, the FIFA Fan Fest and other watch parties will offer more ways to experience the game.
    The Kansas City Star, Kansas City Star, 17 June 2026
  • Just nine of the 26 players have experienced Ghana’s club system at some point, while eight come from the diaspora, born in countries including the Netherlands, England and France.
    Simon Hughes, New York Times, 17 June 2026
Noun
  • Humpback whale song has previously been connected between whales between Omani and Indian coasts, Luban’s long journey is first direct evidence of an ASHW crossing the Arabian Sea.
    Laura Baisas, Popular Science, 19 June 2026
  • At a hearing last month, Carro ruled that a gun and notebook that prosecutors said linked Mangione to the killing could be used as evidence against him.
    Michael R. Sisak, Los Angeles Times, 19 June 2026
Verb
  • For example, the deal with blue-collar workers includes 10% add-on pay to boat operators who get certified as an emergency medical technician.
    David Garrick, San Diego Union-Tribune, 17 June 2026
  • Plus, their windows are ENERGY STAR certified.
    Alora Bopray, USA Today, 17 June 2026
Verb
  • The controversial diplomatic breakthrough poses a quandary for Vance, whose aides see Rubio as his most viable challenger for the Republican presidential nomination should the secretary choose to run.
    Los Angeles Times, Los Angeles Times, 18 June 2026
  • She was last seen Thursday night in surveillance footage walking through the Publix parking lot at 100 Old Cherokee Road.
    Bonny Chu, FOXNews.com, 18 June 2026

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Cite this Entry

“Witness.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/witness. Accessed 23 Jun. 2026.

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