WELL-FOUNDED Synonyms: 112 Similar and Opposite Words

well-founded

adjective

ˈwel-ˈfau̇n-dəd

Definition of well-founded

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

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 Many predicted this sort of mission-creep when VAR was in its infancy, and those warnings have proven well-founded. — Graham Scott, New York Times, 22 July 2026 Just make sure that your concerns are well-founded and not based on assumptions or stereotypes. — Sherri Gordon, Parents, 21 July 2026 Gen Z’s concerns are well-founded—and echo warnings from leading AI experts and mounting management evidence. — Steve Denning, Forbes.com, 14 June 2026 The opponents’ concerns are well-founded. — Alex Weatherall, Boston Herald, 10 June 2026 See All Example Sentences for well-founded

Recent Examples of Synonyms for well-founded

Adjective

Think about your beliefs, discard your prejudices and be logical and consistent.

— Voice of the People, New York Daily News, 12 Nov. 2026
To those who know his ideas, the notion of a Spinozist biographer will seem about as logical as a vegan butcher or a pacifist contract killer.

— Kieran Setiya, New Yorker, 10 Nov. 2026

Definition of logical

Adjective

International financial institutions must be able to deliver financing quickly, at scale, and at reasonable cost, so that no developing country is forced to choose between servicing its debt and investing in its people.

— Pedro Sánchez, Foreign Affairs, 13 Nov. 2026
There are people who want a complication but want it at a reasonable price.

— Lily Templeton, Footwear News, 13 Nov. 2026

Definition of reasonable

Adjective

But that won’t keep them from trying, and when people’s passions are aroused, and emotions crowd out reasoned thought, anything can happen.

— Chris Roemer, Baltimore Sun, 21 Oct. 2026
In layman’s terms, critical thinking is the ability to think independently by questioning claims, weighing evidence, and making reasoned judgments.

— Ted Ladd, Forbes.com, 29 Aug. 2026

Definition of reasoned

Adjective

Carlisle is entitled to make fun of her colleagues for overestimating the power of rational argument and for preferring false simplicity to complicated truth.

— Kieran Setiya, New Yorker, 10 Nov. 2026
The calm, rational response to the Dallas Cowboys’ latest embarrassing performance is to burn it down.

— Fort Worth Star-Telegram, Fort Worth Star-Telegram, 8 Nov. 2026

Definition of rational

Adjective

She became nationally recognized as an advocate for safer schools and more sensible gun laws.

— Sun Sentinel Editorial Board, Sun Sentinel, 12 Nov. 2026
But for a work truck, an outdoor rig, or a family hauler that sees real weather, the Weatherbeater is the sensible buy.

— Andrew P. Collins, The Drive, 10 Nov. 2026

Definition of sensible

Adjective

The alliance between the president and the rapper has a coherent logic as both have cultivated audiences for whom attacks from outsiders reinforce loyalty.

— Anna Rahmanan, MSNBC Newsweek, 7 Nov. 2026
Then, like magic, a few seconds later, a full, coherent, logical response appears.

— Lee-Lean Shu, Forbes.com, 6 Nov. 2026

Definition of coherent

Adjective

Yet, this very constraint pushed me to create a style of cooking that transcends the distance, making the journey—the hours spent in the car—fully justified.

— Nathan Tavares, Condé Nast Traveler, 5 Nov. 2026
Badrutt’s was also named winner of The World’s 50 Best Hotels’ Art of Hospitality Award in 2026 – an accolade that felt entirely justified after our stay.

— Fergus Scholes, TheWeek, 3 Nov. 2026

Definition of justified

Browse Nearby Words

well-fixed

well-founded

well-groomed

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Style

“Well-founded.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/well-founded. Accessed 15 Nov. 2026.

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Synonyms of well-founded

adjective

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