substantiating 1 of 2

Definition of substantiatingnext
as in supporting
serving to give support to the truth or factualness of something without some substantiating evidence, such as a stub from a bus ticket, who's going to believe your alibi?

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Antonyms & Near Antonyms

substantiating

2 of 2

verb

present participle of substantiate
1
as in proving
to gain full recognition or acceptance of substantiated his claim to local mountaineering fame with a photo of himself on the summit of Mount McKinley

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Antonyms & Near Antonyms

2
3
4
5
as in reinforcing
to provide evidence or information for (as a claim or idea) Darwin spent the rest of his life gathering evidence to substantiate his theory of the origin of species

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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 substantiating
Verb
Federal officials have declined to provide critical details substantiating their claim that an agent shot ICU nurse Alex Pretti in self-defense. Tricia Escobedo, CNN Money, 26 Jan. 2026
Recent Examples of Synonyms for substantiating
Adjective
  • Some went after Cashman, some after Boone, some after Steinbrenner’s son Hal, and some after Aaron Judge’s non-supporting cast.
    Ian O'Connor, New York Times, 10 Oct. 2025
  • Sure, that was exacerbated, and to some degree directly caused, by the ample non-supporting cast around him, especially on the offensive line.
    Vahe Gregorian, Kansas City Star, 11 Sep. 2025
Verb
  • The stress for the Heat is proving tangible.
    Ira Winderman, Sun Sentinel, 24 Mar. 2026
  • One Fayette County middle schooler is proving that no one is ever too young to make a big impact.
    Erika Stanish, CBS News, 23 Mar. 2026
Verb
  • The employee gave that stack back to Elliott after counting and verifying it.
    Julia Coin, Charlotte Observer, 26 Mar. 2026
  • These materials are known for their strength at high temperatures, but verifying the quality of the welds between them remained a gap.
    Sujita Sinha, Interesting Engineering, 24 Mar. 2026
Verb
  • There may not be a team embodying the discrepancy between record and reality more than the New Orleans Pelicans, home base for the ever-so polarizing talent that is Zion Williamson, plus a hodgepodge of rangy, versatile athletes at all five positions.
    Kristian Winfield, New York Daily News, 25 Mar. 2026
  • That is the theme these Bruins are embodying.
    Aaron Heisen, Oc Register, 16 Mar. 2026
Verb
  • Conservative Republicans were adamant, however, against establishing a precedent that allows Congress during the yearly appropriations process to fund some agencies within Homeland Security, but not others.
    Lisa Mascaro, Chicago Tribune, 27 Mar. 2026
  • Pietro Talini died in the early 1980s and Luigi Talini took over, establishing the nursery as a place for Sacramento gardeners and homeowners to find high-quality plants and helpful service.
    Camila Pedrosa, Sacbee.com, 27 Mar. 2026
Verb
  • The team further enhanced performance by modifying the SMP’s chemical composition and reinforcing it with carbon fibers to improve stiffness and durability.
    Jijo Malayil, Interesting Engineering, 26 Mar. 2026
  • OpenAI is battling more than a dozen different death and harm suits, including one centered on a tragic murder-suicide allegedly spurred by ChatGPT reinforcing an unstable man’s paranoid delusions.
    Maggie Harrison Dupré, Futurism, 26 Mar. 2026
Verb
  • No student in German can graduate without demonstrating a detailed knowledge and understanding of the Holocaust.
    Terry Gross, NPR, 25 Mar. 2026
  • Institutions that once at least feigned being an ally are now demonstrating the opposite.
    Ron Stodghill, Miami Herald, 23 Mar. 2026
Verb
  • Minnesota authorities are confirming additional information about Jessi Pierce and her three young children, all of whom were killed along with the NHL reporter in a house fire last week, as well as giving an update on Pierce’s husband.
    Jami Ganz, New York Daily News, 26 Mar. 2026
  • His wife, singer Garnet Imes Bowman, shared a statement the following day confirming the news.
    Ryan Brennan, Miami Herald, 25 Mar. 2026

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Cite this Entry

“Substantiating.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/substantiating. Accessed 31 Mar. 2026.

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