undoubting
31affirmative — af·fir·ma·tive /ə fər mə tiv/ adj 1: asserting the existence of certain facts esp. in support of a cause of action affirmative proof 2: resulting from an intentional act affirmative concealment 3: involving or requiring application of effort …
32ascertained — I adjective absolute, actual, authoritative, axiomatic, certain, clear, cogent, cognizable, common, conclusive, definite, definitive, evident, factual, genuine, incontrovertible, indisputable, indubious, irrefutable, positive, real, reliable,… …
33certain — I (fixed) adjective absolute, assured, attested, certified, changeless, conclusive, confident, confirmed, decided, decisive, definite, determinate, determined, firm, guaranteed, incontestable, incontrovertible, indisputable, indubitable,… …
34credulous — I adjective believing, credulus, deceivable, disposed to believe, easily convinced, easily deceived, easily duped, easily taken in, green, gullible, misjudging, naive, overly trustful, persuasible, prone to believe, simple, trusting, undoubting,… …
35definite — I adjective absolute, accurate, actual, allowed, ascertained, assured, attested, authoritative, axiomatic, beyond all dispute, beyond all question, bound, bounded with precision, categorical, certain, certified, certus, clear, clear cut,… …
36indisputable — I adjective absolute, apodictic, assured, authoritative, axiomatic, believable, beyond a shadow of a doubt, beyond dispute, categorical, certain, clear, conclusive, decided, decisive, definite, definitive, demonstrable, demonstrated, determinate …
37pertinacious — I adjective adamant, adhering to a purpose, assidous, bent, bullheaded, certain, continuing, decided, determined, diligent, dogged, earnest, enduring, exhibiting purpose, faithful, firm, hard to get rid of, headstrong, holding to a purpose,… …
38positive — I (confident) adjective assured, believing, certain, certus, convinced, decided, decisive, definite, determined, fully convinced, insistent, perfectly sure, persuaded, reassured, satisfied, secure, self assured, self confident, sure, trusting,… …
39sanguine — adjective anticipative, assured, bright, buoyant, cheerful, confident, encouraged, enthusiastic, expectant, full of hope, hopeful, in good spirits, inspirited, optimistic, reassured, sanguineous, trustful, trusting, undespairing, undoubting… …
40unsuspecting — I adjective believing, credulous, easily deceived, gullible, incautus, innocent, minime suspicax, naive, off guard, simple, trustful, trusting, unaware, unconscious, undoubting, unexpectant, unguarded, unquestioning, unsuspecting, unsuspicious,… …
