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
Lawmakers’ focus on reining in the cost of housing is well-founded.
—
Patrick Gleason, Forbes, 1 Mar. 2025
And at the start of 2025, there was some evidence that their belief was well-founded.
—Ars Technica, 28 Feb. 2025
That skepticism is well-founded in the wake of the recent wildfires.
—Connor Sheets, Los Angeles Times, 18 Jan. 2025
Borenstein’s contention is that these diversions run contrary to the promises made to voters and that argument appears to be well-founded.
—Jon Coupal, Orange County Register, 8 Jan. 2025
The entire hockey world will be watching Game 3 on Friday to see if Knoblauch’s confidence in Skinner is well-founded.
—Daniel Nugent-Bowman, The Athletic, 25 Apr. 2024
If the Bears can’t shake the defeat off at Arizona in Week 9, that panic could be well-founded and the team may end up in the NFC North cellar.
—Steve Silverman, Forbes, 28 Oct. 2024
There’s urgency to Sunday’s game that is well-founded for a squad build for a deep playoff run.
—Jay Paris, Forbes, 19 Oct. 2024
In tandem with their middling 3rd-down conversion rate (41.6%), your frustration as a fan is well-founded.
—Matthew Self, The Arizona Republic, 26 Sep. 2024
Patrick Gleason, Forbes, 1 Mar. 2025
And at the start of 2025, there was some evidence that their belief was well-founded.
—Ars Technica, 28 Feb. 2025
That skepticism is well-founded in the wake of the recent wildfires.
—Connor Sheets, Los Angeles Times, 18 Jan. 2025
Borenstein’s contention is that these diversions run contrary to the promises made to voters and that argument appears to be well-founded.
—Jon Coupal, Orange County Register, 8 Jan. 2025
The entire hockey world will be watching Game 3 on Friday to see if Knoblauch’s confidence in Skinner is well-founded.
—Daniel Nugent-Bowman, The Athletic, 25 Apr. 2024
If the Bears can’t shake the defeat off at Arizona in Week 9, that panic could be well-founded and the team may end up in the NFC North cellar.
—Steve Silverman, Forbes, 28 Oct. 2024
There’s urgency to Sunday’s game that is well-founded for a squad build for a deep playoff run.
—Jay Paris, Forbes, 19 Oct. 2024
In tandem with their middling 3rd-down conversion rate (41.6%), your frustration as a fan is well-founded.
—Matthew Self, The Arizona Republic, 26 Sep. 2024
Recent Examples of Synonyms for well-founded
Adjective
-
There is no length societies will not go to, no absurd logical leap people won’t take to recast our simple, human act of survival as something dirty and shameful.—
Amanda Nguyen,
TIME,
3 Mar. 2025
-
As Lucas puts together his staff, Moran is a logical choice.—
Michelle Kaufman,
Miami Herald,
1 Mar. 2025
Adjective
-
With a reasonable $3.5 million cap hit for another two years, this is the kind of reclamation project the Penguins should be investing in.—
Shayna Goldman,
The Athletic,
6 Mar. 2025
-
Los Angeles or even Texas would be reasonable guesses, but the answer is much more interesting.—
Joyce Chen,
Architectural Digest,
5 Mar. 2025
Adjective
-
Adopt a zero-tolerance approach: Document every incident thoroughly with legal experts and witnesses, distinguishing valid concerns from smear campaigns, false claims or prejudice.—
Expert Panel®,
Forbes,
27 Feb. 2025
-
The gold card will offer a new route for rich non-U.S. citizens to gain a valid visa to live and work in the U.S., according to Mr. Trump, who spoke Tuesday about the new visa with Commerce Secretary Howard Lutnick from the Oval Office.—
Aimee Picchi,
CBS News,
26 Feb. 2025
Adjective
-
So the rational strategy, in many cases, is to wait.—
Phil De Luna,
Forbes,
5 Mar. 2025
-
Your inability to establish a rational, functional and legal system of immigration is an abject failure on your part.—
Peter Cunningham,
Chicago Tribune,
4 Mar. 2025
Adjective
-
Until recently, the U.S. banking system has been strong because of sensible bank regulations implemented during the Obama and Biden administrations.—
Mayra Rodriguez Valladares,
Forbes,
28 Feb. 2025
-
His character was one of the more sensible and sympathetic employees at the paper company, which was almost exclusively populated by unpleasant oddballs.—
Wesley Stenzel,
EW.com,
28 Feb. 2025
Adjective
-
But Trump has continued to claim that the network was trying to influence the election by making Harris sound more coherent, even though both of her answers were in the public realm.—
Ted Johnson,
Deadline,
26 Feb. 2025
-
The park is designed to intensify the use of the area for the local and wider Taichung community, while promoting a more coherent city infrastructure.—
Y-Jean Mun-Delsalle,
Forbes,
24 Feb. 2025
Adjective
-
Equally apparent, the justified fear the club has about his arm.—
Mac Engel,
Fort Worth Star-Telegram,
11 Feb. 2025
-
Reddit users were just as quick to praise the pedestrian's actions, seeing the moment as a justified comeback rather than reckless behavior.—
Kristan Hawkins,
Newsweek,
7 Feb. 2025
Adjective
-
Dior Forever Skin Perfect Foundation Stick, $52 Ahead, find the nine medium-coverage foundations that have a permanent place in makeup artists’ kits (and in Allure editors’ hearts) and prepare to put your best face forward.—
Jenny Berg,
Allure,
8 Mar. 2025
-
Ryan Rodriguez got his first true glimpse of just how good Carson Beck could be when the two were both still in high school.—
Jordan McPherson,
Miami Herald,
8 Mar. 2025
Cite this Entry
“Well-founded.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/well-founded. Accessed 13 Mar. 2025.
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