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
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
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Daniel Jones’ success is becoming less of a novelty and more of a logical endpoint in Shane Steichen’s rhythmic system.—
Steven Louis Goldstein,
New York Times,
10 Oct. 2025
-
In Doctorow’s reading of 21st century tech, AI is the trend's logical, dangerous endpoint.—
Andrew R. Chow,
Time,
10 Oct. 2025
Adjective
-
There's no-contact check-in and the rooms are reasonable.—
Wilder Davies,
Bon Appetit Magazine,
13 Oct. 2025
-
Injecting an element of randomness and uncertainty into the process is reasonable, given that in the real world, measurements are never exact.—
Quanta Magazine,
Quanta Magazine,
13 Oct. 2025
Adjective
-
According to the Nobel Foundation’s statutes, only individuals in specific professional or institutional roles are authorized to submit valid nominations.—
Shane Croucher,
MSNBC Newsweek,
10 Oct. 2025
-
Her words reminded me that processing loss is valid and necessary, and that grief can coexist with intentional reflection and recalibration.—
Essence,
Essence,
10 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
-
Because we are trained to constantly analyze facts and then take a rational decision based on facts.—
Ayesha Javed,
Time,
12 Oct. 2025
-
Reducing disclosures and transparency means choking off the lifeblood, which keeps investors informed and prices rational.—
Richard Torrenzano,
Fortune,
9 Oct. 2025
Adjective
-
Even sensible yet fashionable sneakers are on sale, with the New Balance T500 Tennis Sneakers making an unbeatable selection for $80.—
Merrell Readman,
Travel + Leisure,
7 Oct. 2025
-
The next manager will be their sixth in nine seasons — enough for any sensible person to know that the problem extends far beyond that chair.—
Sam Blum,
New York Times,
5 Oct. 2025
Adjective
-
After a shake-up in the leadership of her controversial conservatorship, fans began to grow concerned for the musician who virtually disappeared from public life, but started frequently posting dancing videos to her Instagram, often with wild, semi-coherent captions.—
Ryan Coleman,
Entertainment Weekly,
6 Oct. 2025
-
What once held the promise of innovation in the arts—an AI that could generate art, compose music or write coherent, even beautiful, prose—has begun to feel more like saturation.—
Jesus Mesa,
MSNBC Newsweek,
3 Oct. 2025
Adjective
-
Authenticity is a word bandied around by commissioners and execs, but in the case of the Osbournes its use feels justified.—
Stewart Clarke,
Deadline,
11 Oct. 2025
-
Sporting director Richard Hughes and head coach Arne Slot also decided against sending Vitezslav Jaros on loan last season as they were concerned an injury to Alisson would leave the squad short, a decision that proved justified.—
Gregg Evans,
New York Times,
9 Oct. 2025
Cite this Entry
“Well-founded.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/well-founded. Accessed 14 Oct. 2025.
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