| Main Entry: | |
| Part of Speech: | adjective |
| Definition: | reasonable, believable |
| Synonyms: | conceivable, credible, creditable, like enough, likely, logical, persuasive, possible, presumable, probable, smooth, sound, supposable, tenable, valid, very likely |
| Antonyms: | implausible, improbable, unbelievable, unlikely, unreasonable |
| 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: | 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 |
| Notes: | credible means 'believable' and credulous means 'gullible' |
| Antonyms: | implausible, impossible, improbable, inconceivable, incredible, unbelievable, unimaginable, unlikely, untenable |
| Main Entry: | deceptive |
| Part of Speech: | adjective |
| Definition: | dishonest |
| Synonyms: | ambiguous, astucious, beguiling, bum*, catchy, crafty, cunning, deceitful, deceiving, deluding, delusive, delusory, designing, disingenuous, fake, fallacious, false, fishy, foxy, fraudulent, illusory, imposturous, indirect, insidious, lying, misleading, mock, oblique, off*, phony, plausible, rascal, roguish, scheming, seeming, serpentine, shifty, slick, slippery, sly, sneaky, snide, specious, spurious, subtle, treacherous, tricky, two-faced, underhand, underhanded, unreliable, wily |
| Notes: | deceitful means intended to deceive or cheat while deceptive means causing one to believe what is not true or likely to mislead someone |
| Antonyms: | forthright, frank, honest, open, truthful, upright |
| Main Entry: | defensible |
| Part of Speech: | adjective |
| Definition: | justifiable |
| Synonyms: | condonable, defendable, excusable, fit, logical, pardonable, permissible, plausible, proper, tenable, valid, vindicable, warrantable |
| Notes: | defendable means capable of being protected or justified; defensible means capable of being defended or justified; defensive means attempting to justify or defend |
| Antonyms: | indefensible, invalid, unjustifiable, unvindicable |
| Main Entry: | excusable |
| Part of Speech: | adjective |
| Definition: | allowable |
| Synonyms: | all right, condonable, defensible, exculpatory, explainable, fair, forgivable, justifiable, minor, moderate, not too bad, okay, pardonable, passable, permissible, plausible, reasonable, remittable, reprievable, slight, specious, temperate, tenable, trivial, understandable, venial, vindicable, vindicatory, warrantable, within limits |
| Antonyms: | blameable, inexcusable, unallowable, unforgivable, unjustifiable |
| Main Entry: | glib |
| Part of Speech: | adjective |
| Definition: | slick, smooth-talking |
| Synonyms: | artful, articulate, easy, eloquent, facile, fast-talking, flip, fluent, garrulous, hot-air, insincere, loquacious, plausible, quick, ready, silver-tongued, slippery*, smooth operator, smooth-spoken, smooth-tongued, suave, talkative, urbane, vocal, vocative, voluble |
| Antonyms: | inarticulate, quiet, stuttering, tongue-tied, uncommunicative |
| Main Entry: | imaginable |
| Part of Speech: | adjective |
| Definition: | believable, possible |
| Synonyms: | apprehensible, calculable, comprehensible, conceivable, conjecturable, convincing, credible, likely, plausible, sensible, supposable, thinkable, under the sun |
| Antonyms: | impossible, improbable, incomprehensible, unbelieveable, unimaginable, unthinkable |