positive

1 expressing approval hoped for a positive reaction from the audience Synonyms admiring, applauding, appreciative, approbatory, approving, commendatory, complimentary, friendly, good, favorableRelated Words accepting, warm; encomiastic, eulogistic, flattering, hagiographic (also hagiographical), laudative, laudatory, panegyrical, praiseful; respectful, supportive, sympathetic; adoring, adulatory, idolizing, worshipful, worshipping (also worshiping); advisory, recommendatoryNear Antonyms captious, carping, caviling (or cavilling), censuring, critical, faultfinding, hypercritical, overcritical; belittling, contemptuous, disdainful, disparaging, scornful, slightingAntonyms adverse, depreciative, depreciatory, derogatory, disapproving, inappreciative, negative, unappreciative, uncomplimentary, unfavorable, unflattering, unfriendly

2 having or showing a mind free from doubt I'm positive that this is the right direction Synonyms assured, clear, cocksure, confident, doubtless, implicit, certain, sanguine, sureRelated Words self-assured, self-conceited, self-confident; decisive, resolute, unfaltering, unhesitating, unquestioning, unwaveringNear Antonyms hesitant, indecisive, vacillating, wavering; diffident, unassumingAntonyms doubtful, dubious, uncertain, unsure

3 not capable of being challenged or proved wrong seeks positive proof that UFO's exist Synonyms accomplished, certain, inarguable, incontestable, incontrovertible, indisputable, indubitable, irrefragable, irrefutable, sure, unanswerable, unarguable, unchallengeable, undeniable, unquestionableRelated Words unambiguous, unequivocal; absolute, clear, conclusive, decisive, definite, hands-down; uncontested, uncontradicted, undisputed, unquestionedNear Antonyms controversial, debated, disputed; doubtful, dubious, iffy, inconclusive, indecisive, uncertain; ambiguous, equivocal; academic (also academical), hypothetical, speculative, theoretical (also theoretic)Antonyms answerable, arguable, contradictable, controvertible, debatable, disputable, doubtable, moot, negotiable, problematic (also problematical), questionable, refutable