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
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
On the one hand, students’ efforts to earn a 4.0 GPA, ace their final tests, and score high on their AP or IB exams are well-founded—a stellar GPA is the foundation of a successful college application.
—Christopher Rim, Forbes.com, 9 May 2025
Engagement Citizens’ concerns over the ways in which increased multifamily housing may affect traffic, schools and other local resources can be well-founded, or at least well-intentioned.
—Matt Frazier, Forbes.com, 21 Apr. 2025
With the draft less than a week away, on Monday, and the declaration deadline behind us, that uncertainty was well-founded.
—Sabreena Merchant, New York Times, 9 Apr. 2025
This drive is well-founded, since jobs reports show well-paying positions are getting harder to find, particularly for Black women, coupled with a successful anti-DEI push led by the conservative right.
—Jasmine Browley, Essence, 25 Mar. 2025
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
On the one hand, students’ efforts to earn a 4.0 GPA, ace their final tests, and score high on their AP or IB exams are well-founded—a stellar GPA is the foundation of a successful college application.
—Christopher Rim, Forbes.com, 9 May 2025
Engagement Citizens’ concerns over the ways in which increased multifamily housing may affect traffic, schools and other local resources can be well-founded, or at least well-intentioned.
—Matt Frazier, Forbes.com, 21 Apr. 2025
With the draft less than a week away, on Monday, and the declaration deadline behind us, that uncertainty was well-founded.
—Sabreena Merchant, New York Times, 9 Apr. 2025
This drive is well-founded, since jobs reports show well-paying positions are getting harder to find, particularly for Black women, coupled with a successful anti-DEI push led by the conservative right.
—Jasmine Browley, Essence, 25 Mar. 2025
Recent Examples of Synonyms for well-founded
Adjective
-
Greater Robustness And Reliability: Better equipped to handle out-of-distribution data and novel scenarios safely and reliably by incorporating safety parameters, constraints and logical invariants.—
Anuradha Weeraman,
Forbes.com,
1 July 2025
-
Taking this approach minimizes the frustration of figuring out where to store something and ensures everything has a logical place in your home.—
Mary Cornetta,
Better Homes & Gardens,
30 June 2025
Adjective
-
In criminal cases, prosecutors must prove guilt beyond a reasonable doubt.—
Max Zahn,
ABC News,
1 July 2025
-
Seeing penalty abatement for reasonable cause can also be time-consuming and expensive so preventing the misclassification is a better course of action.—
Priya Prakash Royal Esq. LL.M. MBA AEP TEP,
Forbes.com,
1 July 2025
Adjective
-
Valley Metro will recognize the event tickets as valid light rail fare on the day of the event for four hours prior to the start of the event through the end of the transit day.—
Ed Masley,
AZCentral.com,
9 July 2025
-
Westchester Cultural Arts Center, 7930 SW 40th St., Miami COST: $30 general admission, $25 for seniors and students with valid ID.—
Maité Hernández-Lorenzo Artburst Miami,
Miami Herald,
8 July 2025
Adjective
-
Eventually, this bargain approach is vindicated by returns as rational pricing returns to markets.—
James Berman,
Forbes.com,
2 July 2025
-
No rational business is going to make long-term investments in American manufacturing based on such transient policies.—
Nicholas Creel,
MSNBC Newsweek,
30 June 2025
Adjective
-
For Brembo, this is much more than product placement and it’s integrated in a way that’s organically sensible.—
Kristin Shaw,
Forbes.com,
25 June 2025
-
If traditional sandwiches were greasy and chaotic, the province of children and cartoon slobs, wraps were tidy and sensible, the province of working women with slim hips and pin-straight hair.—
Ellen Cushing,
The Atlantic,
25 June 2025
Adjective
-
Additionally, the Saudi Gazette reported that the minister emphasized Riyadh is following a consistent and coherent approach that balances vision and transition implementation.—
Gaurav Sharma,
Forbes.com,
9 July 2025
-
With more than 1 billion people now living with obesity, effective therapies available but out of reach for many, and no coherent or ethical way to prioritize care and limited resources, an objective clinical diagnosis of obesity was more urgent than ever.—
Francesco Rubino,
Time,
9 July 2025
Adjective
-
Supporters argue that Israel's campaign to eliminate Iran's nuclear facilities—including enrichment plants, missile bases, research centers, infrastructure, and oil refineries—is a justified national security measure.—
Felice Friedson,
MSNBC Newsweek,
27 June 2025
-
For all of the justified excitement and hubbub about Rafael Devers, the loss of an exciting and promising homegrown pitcher is impossible to ignore.—
Grant Brisbee,
New York Times,
19 June 2025
Adjective
-
After all, how often would Canada's biggest hockey market have a chance to acquire Canada's best player?—
Evan Massey,
MSNBC Newsweek,
6 July 2025
-
The Chiefs will finally open training camp with their best receivers having a foundation.—
Sam McDowell
July 6,
Kansas City Star,
6 July 2025
Cite this Entry
“Well-founded.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/well-founded. Accessed 12 Jul. 2025.
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