| Main Entry: | reliable |
| Part of Speech: | adjective |
| Definition: | trustworthy |
| Synonyms: | candid, careful, certain, conscientious, constant, decent, decisive, definite, dependable, determined, devoted, faithful, firm, good, high-principled, honest, honorable, impeccable, incorrupt, loyal, okay, positive, predictable, proved, reputable, respectable, responsible, righteous, safe, sincere, solid, sound, stable, staunch, steadfast, steady, sterling, strong, sure, there, tried, tried-and-true, true, true-blue, true-hearted, trusty, unequivocal, unfailing, unimpeachable, upright, veracious |
| Antonyms: | deceptive, irresponsible, unreliable, untrustworthy |
| Main Entry: | authentic |
| Part of Speech: | adjective |
| Definition: | real, genuine |
| Synonyms: | accurate, actual, authoritative, bona fide, certain, convincing, credible, creditable, dependable, factual, faithful, for real, legit, legitimate, official, original, pure, reliable, sure, true, trustworthy, trusty, twenty-four carat, valid, veritable |
| Notes: | genuine means not fake or counterfeit - or sincerely felt or expressed, while authentic means conforming to fact and therefore worthy of belief and trust |
| Antonyms: | counterfeit, fake, false, falsified, unauthorized, ungenuine, unreal |
| Main Entry: | authoritative |
| Part of Speech: | adjective |
| Definition: | recognized as true, valid |
| Synonyms: | accurate, attested, authentic, authenticated, circumstantiated, confirmed, definitive, dependable, documented, factual, faithful, learned, legit, proven, reliable, righteous, scholarly, sound, straight from horse's mouth, supported, trustworthy, truthful, validated, verified, veritable |
| Antonyms: | democratic |
| Main Entry: | believable |
| Part of Speech: | adjective |
| Definition: | trustworthy |
| Synonyms: | aboveboard, acceptable, authentic, colorable, conceivable, convincing, credential, credible, creditable, fiduciary, honest-to-God, imaginable, impressive, likely, persuasive, plausible, possible, presumable, presumptive, probable, rational, reasonable, reliable, satisfying, straight, supposable, tenable, tried, trusty, unquestionable, up front |
| Antonyms: | inconceivable, incredible, unbelieveable, unconvincing, unreliable, unthinkable |
| Main Entry: | certain |
| 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: | conscientious |
| Part of Speech: | adjective |
| Definition: | thorough, careful |
| Synonyms: | complete, diligent, exact, exacting, faithful, fastidious, fussy, hanging in, hanging tough, heart and soul into, heedful, meticulous, minding p's and q's, painstaking, particular, playing safe, punctilious, punctual, reliable, tough, walking on eggs |
| Antonyms: | careless, inexact, irresponsible, uncareful, unconscientious, unscrupulous |
| Main Entry: | convincing |
| Part of Speech: | adjective |
| Definition: | persuasive |
| Synonyms: | acceptable, authentic, believeable, cogent, conclusive, credible, dependable, faithful, hopeful, impressive, incontrovertible, likely, moving, plausible, possible, powerful, presumable, probable, rational, reasonable, reliable, satisfactory, satisfying, solid, sound, swaying, telling, trustworthy, trusty, valid |
| Antonyms: | doubtful, dubious, implausible, improbable, incredible, unconvincing, unlikely, unpersuasive |
| Main Entry: | credible |
| Part of Speech: | adjective |
| Definition: | believable |
| Synonyms: | aboveboard, colorable, conceivable, conclusive, creditable, dependable, determinative, honest, honest to God, imaginable, likely, plausible, possible, probable, probably, rational, reasonable, reliable, satisfactory, satisfying, seeming, sincere, solid, sound, straight, supposable, tenable, thinkable, trustworthy, trusty, up front, valid |
| Antonyms: | implausible, impossible, improbable, inconceivable, incredible, unbelievable, unimaginable, unlikely, untenable |
| Main Entry: | definitive |
| Part of Speech: | adjective |
| Definition: | authoritative |
| Synonyms: | absolute, actual, categorical, clear-cut, closing, complete, completing, concluding, conclusive, decisive, definite, determining, downright, ending, exhaustive, express, final, finishing, flat out, last, limiting, nailed down, perfect, plain, precise, real, reliable, settling, specific, straight out, terminal, terminating, ultimate, unambiguous |
| Antonyms: | incomplete, inconclusive, inexact, interim, temporary, unreliable |
| Main Entry: | durable |
| Part of Speech: | adjective |
| Definition: | sturdy, long-lasting |
| Synonyms: | abiding, constant, dependable, diuturnal, enduring, fast, firm, fixed, impervious, lasting, long-continued, perdurable, perduring, permanent, persistent, reliable, resistant, sound, stable, stout, strong, substantial, tenacious, tough |
| Antonyms: | fragile, impermanent, poorly made, temporary, undependable, unsturdy, weak |