| Main Entry: | |
| Part of Speech: | adjective |
| Definition: | undoubtable, valid |
| Synonyms: | absolute, ascertained, authoritative, clear, conclusive, confirmable, definite, demonstrable, destined, determined, establishable, evident, firm, fixed, genuine, guaranteed, having down pat, in the bag, incontrovertible, indubitable, infallible, irrefutable, known, on ice, plain, positive, predestined, provable, real, reliable, safe, salted away, set, sound, supreme, sure, sure thing, true, trustworthy, unambiguous, undeniable, undoubted, unequivocal, unerring, unmistakable, verifiable |
| Antonyms: | doubtful, dubious, faltering, questionable, uncertain, unreliable, unsure |
| Main Entry: | discovered |
| Part of Speech: | adjective |
| Definition: | found |
| Synonyms: | ascertained, detected, disclosed, disinterred, espied, explored, exposed, famous, happened upon, identified, invented, learned, observed, opened, originated, perceived, presented, real, recognized, revealed, searched out, shown, sighted, spotted, unearthed, unlocked, unveiled, well-known |
| Antonyms: | hidden, lost, unfound |
| Main Entry: | established |
| Part of Speech: | adjective |
| Definition: | conclusively proved |
| Synonyms: | accepted, achieved, approved, ascertained, assured, authenticated, certain, closed, concluded, confirmed, corroborated, demonstrated, determined, endorsed, found out, guaranteed, identified, objectified, proved, substantiated, sure, undeniable, upheld, valid, validated, verified |
| Antonyms: | false, invalidated, untrue |
| Main Entry: | observed |
| Part of Speech: | adjective |
| Definition: | noticed |
| Synonyms: | ascertained, attended, beheld, checked, contemplated, descried, detected, discerned, discovered, espied, examined, found, heard, heeded, inspected, looked at, marked, noted, noticed, perceived, realized, recognized, regarded, revealed, scrutinized, seen, surveyed, viewed, watched |
| Antonyms: | unnoticed, unperceived, unseen |
| Main Entry: | inarguable |
| Part of Speech: | adjective |
| Definition: | certain |
| Synonyms: | absolute, ascertained, authoritative, clear, conclusive, confirmable, definite, demonstrable, destined, determined, establishable, evident, firm, fixed, genuine, guaranteed, hard, having down pat, in the bag, incontestable, incontrovertible, indisputable, indubitable, infallible, irrefutable, known, on ice, plain, positive, predestined, provable, real, reliable, safe, salted away, set, sound, supreme, sure, sure thing, true, trustworthy, unambiguous, unassailable, undeniable, undisputable, undoubted, unequivocal, unerring, unmistakable, unquestionable, verifiable |
| Main Entry: | incontestable |
| Part of Speech: | adjective |
| Definition: | certain |
| Synonyms: | absolute, ascertained, authoritative, clear, conclusive, confirmable, definite, demonstrable, destined, determined, establishable, evident, firm, fixed, genuine, guaranteed, hard, having down pat, in the bag, inarguable, incontrovertible, indisputable, indubitable, infallible, irrefutable, known, on ice, plain, positive, predestined, provable, real, reliable, safe, salted away, set, sound, supreme, sure, sure thing, true, trustworthy, unambiguous, unassailable, undeniable, undisputable, undoubted, unequivocal, unerring, unmistakable, unquestionable, verifiable |
| Main Entry: | unassailable |
| Part of Speech: | adjective |
| Definition: | certain |
| Synonyms: | absolute, ascertained, authoritative, clear, conclusive, confirmable, definite, demonstrable, destined, determined, establishable, evident, firm, fixed, genuine, guaranteed, hard, having down pat, in the bag, inarguable, incontestable, incontrovertible, indisputable, indubitable, infallible, irrefutable, known, on ice, plain, positive, predestined, provable, real, reliable, safe, salted away, set, sound, supreme, sure, sure thing, true, trustworthy, unambiguous, undeniable, undisputable, undoubted, unequivocal, unerring, unmistakable, unquestionable, verifiable |
| Main Entry: | undisputable |
| Part of Speech: | adjective |
| Definition: | certain |
| Synonyms: | absolute, ascertained, authoritative, clear, conclusive, confirmable, definite, demonstrable, destined, determined, establishable, evident, firm, fixed, genuine, guaranteed, hard, having down pat, in the bag, inarguable, incontestable, incontrovertible, indisputable, indubitable, infallible, irrefutable, known, on ice, plain, positive, predestined, provable, real, reliable, safe, salted away, set, sound, supreme, sure, sure thing, true, trustworthy, unambiguous, unassailable, undeniable, undoubted, unequivocal, unerring, unmistakable, unquestionable, verifiable |