as in evidence
something presented in support of the truth or accuracy of a claim
the signature of a witness provides substantiation that a person's will is genuine
Synonyms & Similar Words
Relevance
Antonyms & Near Antonyms
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 substantiation
Consequently, all three adverts were upheld as breaches of the CAP Code—more specifically, edition 12 of the primary framework for the rulings—and slapped with misleading advertising and lack of substantiation.
—
Alexandra Harrell, Sourcing Journal, 3 Dec. 2025
Courts have consistently ruled that failure to comply with substantiation rules leads to disallowance, no matter how genuine the donation.
—Matthew F. Erskine, Forbes.com, 9 Sep. 2025
Trump’s post did not include any substantiation for his claims.
—Alicia Wallace, CNN Money, 24 Aug. 2025
Alexandra Harrell, Sourcing Journal, 3 Dec. 2025
Courts have consistently ruled that failure to comply with substantiation rules leads to disallowance, no matter how genuine the donation.
—Matthew F. Erskine, Forbes.com, 9 Sep. 2025
Trump’s post did not include any substantiation for his claims.
—Alicia Wallace, CNN Money, 24 Aug. 2025
Recent Examples of Synonyms for substantiation
Noun
-
International election monitors said there was overwhelming evidence that Machado's party won the 2024 election against Maduro, but Maduro refused to relinquish power.—
Cybele Mayes-Osterman,
USA Today,
16 Jan. 2026
-
O’Hara told reporters Minneapolis police had secured the scene and the Minnesota Bureau of Criminal Apprehension (BCA) are processing evidence.—
Danya Gainor,
CNN Money,
15 Jan. 2026
Noun
-
The bottle is small, easy to pack, and a little goes a long way—proof that sometimes even the smallest things have a big impact.—
Chaise Sanders,
Travel + Leisure,
15 Jan. 2026
-
Tacvasen Lightweight Workout Jacket During her recent trip to Australia, Oprah was spotted wearing several wrinkle-proof, form-fitting athletic jackets.—
Annie Blackman,
InStyle,
15 Jan. 2026
Noun
-
The Senate Education heard testimony on the bill, indicating lawmakers are serious about the proposal, but the committee has not yet taken a vote.—
Marissa Meador,
IndyStar,
9 Jan. 2026
-
The former player also said some discrepancies in his testimony were a result of his diminished hearing.—
Luke Cyphers,
Sportico.com,
9 Jan. 2026
Noun
-
Applicants should bring an MLGW bill in their name, a recent pay stub, a Social Security income statement or bank statement showing direct deposit, a valid Tennessee state ID or driver’s license to verify age and address, and any disability documentation, if applicable.—
Jack Armstrong,
Memphis Commercial Appeal,
6 Jan. 2026
-
That kind of documentation—tracking symptoms, flares, fatigue and how lupus affects daily life—can help patients move the conversation beyond lab results and toward whether their current care is truly adequate.—
Lauryn Higgins,
Flow Space,
6 Jan. 2026
Cite this Entry
“Substantiation.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/substantiation. Accessed 16 Jan. 2026.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
