Nouns

(n)positive, positive degreethe primary form of an adjective or adverb; denotes a quality without qualification, comparison, or relation to increase or diminution
(n)positivea film showing a photographic image whose tones correspond to those of the original subject

Adjectives

(a)positivecharacterized by or displaying affirmation or acceptance or certainty etc.“a positive attitude”, “the reviews were all positive”, “a positive benefit”, “a positive demand”
(a)positive, confirmingindicating existence or presence of a suspected condition or pathogen“a positive pregnancy test”
(a)positivist, positivistic, positiveof or relating to positivism“positivist thinkers”, “positivist doctrine”, “positive philosophy”
(a)positivereckoned, situated or tending in the direction which naturally or arbitrarily is taken to indicate increase or progress or onward motion“positive increase in graduating students”
(s)convinced, positive, confidentpersuaded of; very sure“were convinced that it would be to their advantage to join”, “I am positive he is lying”, “was confident he would win”
(s)plus, positiveinvolving advantage or good“a plus (or positive) factor”
(s)positive, prescribedformally laid down or imposed“positive laws”
(s)incontrovertible, irrefutable, positiveimpossible to deny or disprove“incontrovertible proof of the defendant's innocence”, “proof positive”, “an irrefutable argument”
(s)positivegreater than zero“positive numbers”
(s)positive, electropositive, positively chargedhaving a positive charge“protons are positive”
(s)cocksure, overconfident, positivemarked by excessive confidence“an arrogant and cocksure materialist”, “so overconfident and impudent as to speak to the queen”, “the less he knows the more positive he gets”