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
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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
However, the team's recent poor performance has generated all kinds of comments, some more well-founded than others.
—
Julio Cesar Valdera Morales, MSNBC Newsweek, 15 Sep. 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
Olson argued on behalf of The Bee that St. Hope’s judgment that these charges were not well-founded does not justify non-disclosure.
—Jennah Pendleton, Sacbee.com, 23 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
Such concern is well-founded, analysts told ABC News, since small businesses typically lack the financial buffer, supply-chain flexibility and political influence of their larger counterparts.
—Max Zahn, ABC News, 10 May 2025
Julio Cesar Valdera Morales, MSNBC Newsweek, 15 Sep. 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
Olson argued on behalf of The Bee that St. Hope’s judgment that these charges were not well-founded does not justify non-disclosure.
—Jennah Pendleton, Sacbee.com, 23 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
Such concern is well-founded, analysts told ABC News, since small businesses typically lack the financial buffer, supply-chain flexibility and political influence of their larger counterparts.
—Max Zahn, ABC News, 10 May 2025
Recent Examples of Synonyms for well-founded
Adjective
-
In terms of strategics, the growing media and entertainment trend of integrating physical park assets into cross-platform media ecosystems makes the industry a logical candidate.—
Kenneth Squire,
CNBC,
24 Oct. 2025
-
Bipolar disorder involves alternating episodes of depression and mania, a state where thoughts race, impulsive decisions feel logical, and sleep becomes almost optional.—
Essence,
Essence,
23 Oct. 2025
Adjective
-
Bowie is quite wonderful as Tesla — mysterious, exotic yet somehow the film’s most reasonable man —while Andy Serkis as his assistant brings sly comedy to an otherwise morbidly serious affair.—
Kirk Honeycutt,
HollywoodReporter,
20 Oct. 2025
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If a landlord or property owner has a reasonable suspicion of a safety concern, such as a health emergency or damage to a residential property, they are allowed to enter without notice.—
Tamia Fowlkes,
jsonline.com,
20 Oct. 2025
Adjective
-
The mattress manufacturer may require rotating or flipping in order for the warranty to remain valid.—
Brandee Gruener,
Southern Living,
24 Oct. 2025
-
Fuel points could be redeemed at Fry's Fuel Center pumps for up to $1 off per gallon, with every 100 points valid for 10 cents off per gallon.—
Rey Covarrubias Jr,
AZCentral.com,
24 Oct. 2025
Adjective
-
Deliberative democracy is the idea that decision-making and governance are arrived at through thoughtful, reasoned and respectful dialogue.—
Lee Bebout,
The Conversation,
16 Sep. 2025
Adjective
-
This season, fluorescent pink, blue and white formed a rational yet romantic palette — a vision of a young schoolgirl poised to step into the real world.—
Denni Hu,
Footwear News,
17 Oct. 2025
-
Their work could be a critical step toward the safe and rational decommissioning of the Fukushima Daiichi plant, and the technology could be applied to nuclear accident sites elsewhere in the world.—
Aman Tripathi,
Interesting Engineering,
15 Oct. 2025
Adjective
-
This was a sensible decision at the time, whether for reasons of NHL precedence, respect for the Thrashers organization, or inclusion of Thrashers fans who followed Atlanta to Winnipeg.—
Murat Ates,
New York Times,
25 Oct. 2025
-
Far from being doomed by his polarizing legacy, Republicans are poised to emerge as the party of the sensible center, representing the non-polarized public, while Democrats, mired in anti-Trump fervor, risk alienating the masses with diminished appeal.—
Nafees Alam,
Twin Cities,
22 Oct. 2025
Adjective
-
Underwater performance inevitably loses some detail compared to traditional in-ear options, but the audio remains steady and coherent – ideal for pacing laps or long sessions where awareness and waterproofing matter more.—
New Atlas,
New Atlas,
19 Oct. 2025
-
The organization has deeper roots in the Palestinian Territories, an ideological foundation similar to that of Hamas, coherent leadership, and—crucially—the sustained backing of Iran.—
Bobby Ghosh,
Time,
16 Oct. 2025
Adjective
-
Shares of Darden Restaurants have added 1% this year, but Cho said that Darden Restaurant’s somewhat elevated current valuation still seems justified.—
Lisa Kailai Han,
CNBC,
20 Oct. 2025
-
City officials say the hikes are justified, because San Diego loses revenue when parking spots that could otherwise have meters are devoted to other uses like dining or valet parking drop-off and pickup.—
David Garrick,
San Diego Union-Tribune,
15 Oct. 2025
Cite this Entry
“Well-founded.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/well-founded. Accessed 26 Oct. 2025.
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