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
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 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
-
The state alleged that Amazon doesn’t go far enough to find reasonable accommodations for employees upon request and fails to consider whether a different accommodation or work location would be a match for an employee who is pregnant or has a disability.—
Meghan Hall,
Sourcing Journal,
27 Oct. 2025
-
Wisconsin law enforcement agencies may use a drone to gather evidence or other information in a criminal investigation from or at a place or location where an individual has a reasonable expectation of privacy if a search warrant is obtained.—
Anna Kleiber,
jsonline.com,
27 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
-
Some geomyths, recounted orally over generations, are based on eyewitness experiences, while other accounts are grounded in a keen awareness of local terrains, plus rational and imaginative ideas about the powerful forces of nature.—
Literary Hub,
Literary Hub,
22 Oct. 2025
-
Theorists could prove that this will not happen if bidders are rational.—
Emma Burleigh,
Fortune,
21 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
-
Forging ahead, Ledru returns to the strategy centered on a coherent and consistent brand narrative.—
Thomas Waller,
Footwear News,
28 Oct. 2025
-
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
Adjective
-
If the current fiscal package is estimated to not only cover its costs but grow the economy too, the path is justified, argued Zandi.—
Eleanor Pringle,
Fortune,
27 Oct. 2025
-
Who can claim this jumble of junior-varsity field hockey teams, center-justified poetry, and polyester tux jackets as their intellectual property?—
Dan Piepenbring,
Harpers Magazine,
24 Oct. 2025
Cite this Entry
“Well-founded.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/well-founded. Accessed 29 Oct. 2025.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
Share