well-founded - 14 thesaurus results
| Main Entry: | well-founded |
| Part of Speech: | adjective |
| Definition: | based on sound reasoning |
| Synonyms: | factual, solid, based on hard data, based on hard facts, proven, rock-solid, substantiated |
Roget's 21st Century Thesaurus, Third Edition
Copyright © 2009 by the Philip Lief Group.
Cite This Source
Copyright © 2009 by the Philip Lief Group.
Cite This Source
| Main Entry: | well-founded |
| Part of Speech: | adjective |
| Definition: | based on sound reasoning |
| Synonyms: | factual, solid, based on hard data, based on hard facts, proven, rock-solid, substantiated |
| Main Entry: | legitimate |
| Part of Speech: | adjective |
| Definition: | authentic, valid, legal |
| Synonyms: | accepted, accredited, acknowledged, admissible, appropriate, authorized, canonical, certain, cogent, consistent, correct, customary, fair, genuine, innocent, just, justifiable, lawful, licit, logical, natural, normal, official, on the level, orthodox, probable, proper, real, reasonable, received, recognized, regular, reliable, rightful, sanctioned, sensible, sound, statutory, sure, true, typical, usual, verifiable, warranted, well-founded, on the up and up |
| Antonyms: | illegal, illegitimate, invalid, unlawful, unwarranted |
| Main Entry: | stable |
| Part of Speech: | adjective |
| Definition: | constant, fixed; resistant |
| Synonyms: | abiding, balanced, calm, deep-rooted, durable, enduring, equable, established, even, fast, firm, immutable, invariable, lasting, permanent, reliable, resolute, safe, secure, set, solid, sound, stalwart, stationary, staunch, steadfast, steady, stout, strong, sturdy, substantial, sure, together, tough, unalterable, unchangeable, uniform, unvarying, unwavering, well-founded, anchored, brick-wall, nailed, perdurable, poised, set in stone, solid as a rock, stabile, staying put, unfluctuating, well-built |
| Antonyms: | inconstant, shaky, unstable, wobbly, unfixed |
| Main Entry: | unquestionable |
| Part of Speech: | adjective |
| Definition: | definite; beyond doubt |
| Synonyms: | absolute, accurate, authentic, bona fide*, certain, clear, cold, conclusive, dependable, downright, established, faultless, flat*, flawless, genuine, incontrovertible, indisputable, indubitable, irrefutable, manifest, obvious, pat, patent, perfect, positive, real, reliable, self-evident, superior, sure, true, undeniable, undoubted, unequivocal, unimpeachable, unmistakable, veritable, well-founded, well-grounded, down pat, for certain, incontestable, no ifs ands or buts, sure-enough, undisputable |
| Antonyms: | doubtful, indefinite, questionable, uncertain, unsure |
* = informal/non-formal usage
| Main Entry: | valid |
| Part of Speech: | adjective |
| Definition: | right, genuine |
| Synonyms: | accurate, authentic, authoritative, binding, bona fide, cogent, compelling, conclusive, confirmed, convincing, credible, efficacious, efficient, good, irrefutable, just, kosher*, lawful, legal, legitimate, logical, official, original, persuasive, potent, powerful, pure, solid, sound, stringent, strong, substantial, telling, tested, true, trustworthy, ultimate, unadulterated, weighty, well-founded, well-grounded, attested, determinative, in force, legit, proven, unanswerable, uncorrupted |
| Antonyms: | invalid, unacceptable, unreal, unsound, wrong |
* = informal/non-formal usage
| Main Entry: | strong |
| Part of Speech: | adjective |
| Definition: | healthy, powerful |
| Synonyms: | able, able-bodied, active, athletic, big, capable, durable, enduring, energetic, firm, fixed, forceful, forcible, hale, hardy, hearty, heavy, mighty, muscular, reinforced, robust, rugged, secure, sinewy, solid, sound, stable, stalwart, stark, staunch, steady, stout, strapping, sturdy, substantial, tenacious, tough, unyielding, vigorous, well-founded, well-made, hard as nails, heavy-duty, in fine feather, well-built |
| Antonyms: | feeble, infirm, unhealthy, weak, unpowerful |
| Main Entry: | just |
| Part of Speech: | adjective |
| Definition: | accurate, precise |
| Synonyms: | cogent, correct, exact, faithful, good, normal, proper, regular, right, sound, strict, true, veracious, well-founded, well-grounded, justified, undistorted, veridical |
| Antonyms: | inaccurate, unjust, unjustified, wrong, imprecise |
| Main Entry: | sound |
| Part of Speech: | adjective |
| Definition: | logical, reasonable |
| Synonyms: | accurate, advisable, cogent, consequent, convincing, cool*, correct, deep, exact, fair, faultless, flawless, impeccable, intellectual, judicious, just, levelheaded, orthodox, precise, profound, proper, prudent, rational, reliable, responsible, right, satisfactory, satisfying, sensible, sober, solid, telling, thoughtful, together*, true, trustworthy, valid, well-advised, well-founded, well-grounded, wise, all there, commonsensical, got it together, right-minded, right-thinking |
| Antonyms: | illogical, unbelievable, unfathomable, unreasonable, unsound |
* = informal/non-formal usage
| Main Entry: | secure |
| Part of Speech: | adjective |
| Definition: | certain, definite |
| Synonyms: | able, absolute, assured, balanced, carefree, cinch, conclusive, confident, determined, easy, established, firm, hopeful, in the bag*, reliable, resolute, sanguine, self-assured, self-confident, settled, solid, sound, stable, steadfast, steady, strong, sure, sure thing*, tried and true, well-founded, at ease, locked on, nailed down, on ice, reassured, shoo-in, unanxious, undoubtful |
| Antonyms: | indefinite, insecure, uncertain, undecided, unsure |
* = informal/non-formal usage
| Main Entry: | strong |
| Part of Speech: | adjective |
| Definition: | distinct, unmistakable |
| Synonyms: | clear, clear-cut, cogent, compelling, convincing, effective, fast, firm, forceful, formidable, great, hard, influential, marked, mighty, overpowering, persuasive, potent, powerful, redoubtable, secure, sharp, sound, stiff, stimulating, telling, trenchant, urgent, weighty, well-founded, well-established |
| Antonyms: | indistinct, obscure, vague, mistakable |
| Main Entry: | good |
| Part of Speech: | adjective |
| Definition: | authentic, real |
| Synonyms: | bona fide, conforming, dependable, genuine, honest, kosher*, legitimate, loyal, orthodox, proper, regular, reliable, sound, strict, true, trustworthy, valid, well-founded, justified |
| Notes: | using good as an adverb in place of well ("she dances real good," "he did good") is nonstandard usage - so, it would be best to say "she dances very well," "he did well" well is an adverb to describe an activity; good is an adjective to describe a condition or state |
| Antonyms: | fake, forged, unreal |
* = informal/non-formal usage
Roget's 21st Century Thesaurus, Third Edition
Copyright © 2009 by the Philip Lief Group.
Cite This Source
Roget's 21st Century Thesaurus, Third Edition
Copyright © 2009 by the Philip Lief Group.
Cite This Source
| Main Entry: | materiality |
| Part of Speech: | |
Related
Adjectives: |
absolute, actual, afloat, bodily, corporal, corporeal, current, effective, existent, existing, extant, impersonal, in esse, in existence, material, materialistic, neuter, not potential, objective, on foot, ontic, palpable, physical, ponderable, positive, prevalent, real, self-existent, self-existing, sensible, somatic, somatoscopic, substantial, substantive, tangible, true, under the sun, undestroyed, unideal, unimagined, unspiritual, well-founded
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| Main Entry: | rationale |
| Part of Speech: | noun |
Related
Adjectives: |
Aristotelian, analytical, argumentative, attributable, attributed, automorphic, biconditional, cogent, cognitive, coherent, controversial, controvertible, cumulative, cut-and-dried, debatable, definitive, derivable from, dialectic, dianoetic, didactic, discursive, discursory, disputatious, due to, epistemic, esemplastic, eudemonistic, facultative, forensic, hebamic, implausible, irrelevant, logical, lucid, moot, noetic, owing to, paralogic, perspicacious, perspicuous, polemical, putative, rational, rationalistic, reasoning, referable, referrible, relevant, specious, synthetic, tenable, thought-out, unilateral, viable, watertight, well-founded, well-grounded, well-taken
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