Well-founded — Meaning, Definition & Synonyms

adjective /ˈwel-ˈfau̇n-dəd/ well-found·ed

Meaning & Definition of Well-founded

Well-founded (adjective)

  1. based on excellent reasoning, information, judgment, or grounds

Well-founded (adjective) — Senses, Synonyms & Antonyms

  1. according to the rules of logic

    "even a well-founded argument can lead to an erroneous conclusion if one of the premises is incorrect"

    similar: analytic, coherent, consequent, good, logical, rational, reasonable, sensible, sound, valid, well-grounded
    related: a posteriori, a priori, syllogistic, cognitive, empirical, defendable, defensible, justifiable, maintainable, supportable, sustainable, tenable
    opposite: illegitimate, illogical, incoherent, inconsequent, inconsequential, invalid, irrational, unreasonable, unsound, weak
    near: casuistic, eristic, fallacious, misleading, sophistic, specious, unarticulated, unscientific, absurd, cockeyed, crazy, daffy, fatuous, half-baked, half-witted, harebrained, insane, loony, mad, nonsensical, nutty, preposterous, simpleminded, stupid, weak-minded, witless, senseless, thoughtless, uncompelling, unconvincing

  2. based on sound reasoning or information

    "a well-founded complaint about the business's treatment of its customers"

    similar: commonsense, commonsensible, commonsensical, firm, good, hard, informed, just, justified, levelheaded, logical, rational, reasonable, reasoned, sensible, sober, solid, valid
    related: actual, real, true, certain, sure, certified, validated, verified, confirmed, corroborated, substantiated, cogent, convincing, colorable, credible, plausible
    opposite: groundless, illogical, invalid, irrational, nonrational, nonsensical, nonvalid, unfounded, uninformed, unjustified, unreasonable, unreasoned, unsound
    near: unsubstantiated, unsupported, unwarranted, flimsy, implausible, unconvincing, weak, fallacious, false, misguided, misled

Synonyms, Thesaurus & Another Word for Well-founded

The most common words with a similar meaning to Well-founded:

analytic, coherent, consequent, good, logical, rational, reasonable, sensible, sound, valid, well-grounded, commonsense, commonsensible, commonsensical, firm, hard, informed, just, justified, levelheaded, reasoned, sober, solid

Antonyms & Opposite Words for Well-founded

Words with the opposite meaning of Well-founded:

illegitimate, illogical, incoherent, inconsequent, inconsequential, invalid, irrational, unreasonable, unsound, weak, groundless, nonrational, nonsensical, nonvalid, unfounded, uninformed, unjustified, unreasoned

Related Words for Well-founded

a posteriori, a priori, syllogistic, cognitive, empirical, defendable, defensible, justifiable, maintainable, supportable, sustainable, tenable, actual, real, true, certain, sure, certified, validated, verified, confirmed, corroborated, substantiated, cogent, convincing, colorable, credible, plausible

Near Antonyms of Well-founded

casuistic, eristic, fallacious, misleading, sophistic, specious, unarticulated, unscientific, absurd, cockeyed, crazy, daffy, fatuous, half-baked, half-witted, harebrained, insane, loony, mad, nutty, preposterous, simpleminded, stupid, weak-minded, witless, senseless, thoughtless, uncompelling, unconvincing, unsubstantiated

Origin & Etymology of Well-founded

First known use: 1608

Frequently Asked Questions about Well-founded

What does "Well-founded" mean?

"Well-founded" means based on excellent reasoning, information, judgment, or grounds. As an adjective, it is defined as: based on excellent reasoning, information, judgment, or grounds. It has 2 distinct senses.

What is another word for "Well-founded"?

Other words for "Well-founded" include analytic, coherent, consequent, good, logical, rational, reasonable and sensible. The best synonym depends on which meaning of "Well-founded" you intend.

What are different ways to say "Well-founded"?

There are 51 words and phrases with a similar meaning to "Well-founded". Common alternatives include analytic, coherent, consequent, good, logical, rational, reasonable, sensible, sound and valid.

What is the opposite of "Well-founded"?

Antonyms of "Well-founded" include illegitimate, illogical, incoherent, inconsequent, inconsequential, invalid, irrational and unreasonable. Near antonyms include casuistic, eristic, fallacious and misleading.

How do you use "Well-founded" in a sentence?

Examples of "Well-founded" in a sentence: "even a well-founded argument can lead to an erroneous conclusion if one of the premises is incorrect"; "a well-founded complaint about the business's treatment of its customers".

Is "Well-founded" a noun, verb, or adjective?

"Well-founded" is an adjective.

How do you pronounce "Well-founded"?

"Well-founded" is pronounced /ˈwel-ˈfau̇n-dəd/ and divided into syllables as well-found·ed.

What is the origin of the word "Well-founded"?

First known use: 1608.