1
as in logical
according to the rules of logic
even a well-founded argument can lead to an erroneous conclusion if one of the premises is incorrect
Synonyms & Similar Words
Relevance
Antonyms & Near Antonyms
2
as in reasonable
based on sound reasoning or information
a well-founded complaint about the business's treatment of its customers
Synonyms & Similar Words
Antonyms & Near Antonyms
Example Sentences
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Recent Examples of well-founded
The concerns are well-founded: Higher speeds increase the risk to pedestrians and cyclists in particular.
—
Ariane Lange, Sacbee.com, 21 Dec. 2025
In the settlement agreement, Ceratizit neither admits liability nor concedes that the government’s claims are well-founded.
—Desiree Mathurin
december 19, Charlotte Observer, 19 Dec. 2025
And that uncertainty may be well-founded, because according to The Athletic national baseball writer and former MLB general manager Jim Bowden, there's another All-Star second baseman in the division who could make sense for New York.
—Jon Vankin, MSNBC Newsweek, 26 Oct. 2025
That fear was probably well-founded.
—Ryan Whitwam, ArsTechnica, 5 Sep. 2025
One of these targets was to define a sound and well-founded strategy for Calik Denim to become a carbon-neutral company.
—Angela Velasquez, Sourcing Journal, 28 Aug. 2025
That confidence proved well-founded.
—Clayton Davis, Variety, 13 Aug. 2025
While these fears may be well-founded, our response should not be to reject crypto altogether, but rather embrace thoughtful policies to mitigate risks, protect consumers, and promote transparency.
—Jeremy Cooney, New York Daily News, 30 May 2025
Rohloff believes this sentiment is well-founded, especially in sectors like government, finance, and healthcare, where the stakes of data mishandling are existential.
—Gary Drenik, Forbes.com, 22 May 2025
Ariane Lange, Sacbee.com, 21 Dec. 2025
In the settlement agreement, Ceratizit neither admits liability nor concedes that the government’s claims are well-founded.
—Desiree Mathurin
december 19, Charlotte Observer, 19 Dec. 2025
And that uncertainty may be well-founded, because according to The Athletic national baseball writer and former MLB general manager Jim Bowden, there's another All-Star second baseman in the division who could make sense for New York.
—Jon Vankin, MSNBC Newsweek, 26 Oct. 2025
That fear was probably well-founded.
—Ryan Whitwam, ArsTechnica, 5 Sep. 2025
One of these targets was to define a sound and well-founded strategy for Calik Denim to become a carbon-neutral company.
—Angela Velasquez, Sourcing Journal, 28 Aug. 2025
That confidence proved well-founded.
—Clayton Davis, Variety, 13 Aug. 2025
While these fears may be well-founded, our response should not be to reject crypto altogether, but rather embrace thoughtful policies to mitigate risks, protect consumers, and promote transparency.
—Jeremy Cooney, New York Daily News, 30 May 2025
Rohloff believes this sentiment is well-founded, especially in sectors like government, finance, and healthcare, where the stakes of data mishandling are existential.
—Gary Drenik, Forbes.com, 22 May 2025
Recent Examples of Synonyms for well-founded
Adjective
-
But logical arguments won't change a person's mind unless the emotional foundation is also addressed.—
Gwen Faulkenberry,
Arkansas Online,
15 Jan. 2026
-
All in all, the Wave For 2 seems like a logical addition to a lineup that was previously focused on family camper vans for four to six people.—
New Atlas,
New Atlas,
14 Jan. 2026
Adjective
-
Advertisement Think smart regulation, not more regulation The dealmaking bonanza on Wall Street since Biden Administration officials left office offers a reasonable gauge of the damage inflicted when regulatory agencies are captured by ideology.—
Jeffrey Sonnenfeld,
Time,
13 Jan. 2026
-
The only reasonable, logical explanation to Indiana University’s success in football is not coaching, but cheating.—
Mac Engel
January 13,
Fort Worth Star-Telegram,
13 Jan. 2026
Adjective
-
However, Navajo officials have raised concerns that federal agents haven’t consistently recognized these documents as valid and could still detain tribal members.—
Michael Loria,
USA Today,
11 Jan. 2026
-
Munoz-Guatemala was also convicted of driving without a valid license and was charged multiple times for driving illegally.—
Rachel Wolf,
FOXNews.com,
10 Jan. 2026
Adjective
-
The ledger is the foundation of reasoned conclusion.—
Big Think,
Big Think,
5 Nov. 2025
-
The differences between any given Grokipedia and Wikipedia entry are in some sense hard to debate because there is no shared ground upon which to have a reasoned disagreement; to gravitate toward Grokipedia is to leave the world of evidence for that of belief.—
Matteo Wong,
The Atlantic,
28 Oct. 2025
Adjective
-
Scapegoating everyone of similar background as a criminal should be self-evidently wrong to any rational person.—
Sal Rodriguez,
Oc Register,
12 Jan. 2026
-
Even paranoiacs have enemies, maybe rendering their paranoia a rational response.—
Chris Jones,
Chicago Tribune,
9 Jan. 2026
Adjective
-
The underlying data also illustrates why Doekhi would be such a sensible fit in the Leeds defence.—
Beren Cross,
New York Times,
14 Jan. 2026
-
Anderson’s bestsellers are high-performing, yes, but also come with sensible price tags attached.—
Stacia Datskovska,
Footwear News,
13 Jan. 2026
Adjective
-
The title—The Rise and Fall of Ziggy Stardust and the Spiders from Mars—suggests a coherent narrative.—
Literary Hub,
Literary Hub,
15 Jan. 2026
-
Pahlavi doesn’t appear to have a coherent follow-up plan, however.—
Arash Azizi,
The Atlantic,
13 Jan. 2026
Adjective
-
Almost immediately after the shooting, Homeland Security Secretary Kristi Noem stood before the media and pronounced the fatal use of force fully justified — heroic even.—
Michael Mcauliffe,
Sun Sentinel,
11 Jan. 2026
-
The killing of 37-year-old Renee Good in Minneapolis on Wednesday set off a clash between federal and state officials over whether the shooting appeared justified and whether a Minnesota law enforcement agency had jurisdiction to investigate.—
Russ Bynum,
Chicago Tribune,
8 Jan. 2026
Cite this Entry
“Well-founded.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/well-founded. Accessed 15 Jan. 2026.
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