3. (adj)positive characterized by or displaying affirmation or acceptance or certainty etc.
"a positive attitude"; "the reviews were all positive"; "a positive benefit"; "a positive demand"
4. (adj)convinced(p), positive(p), confident(p) persuaded 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"
5. (adj)plus, positive involving advantage or good "a plus (or positive) factor"
7. (adj)positive, prescribed formally laid down or imposed
"positive laws"
8. (adj)incontrovertible, irrefutable, positive impossible to deny or disprove
"incontrovertible proof of the defendant's innocence"; "proof positive"; "an irrefutable argument"
9. (adj)positivist, positivistic, positive of or relating to positivism "positivist thinkers"; "positivist doctrine"; "positive philosophy"
10. (adj)positive reckoned, 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"
11. (adj)positive greater than zero "positive numbers"
12. (adj)positive, electropositive, positively charged having a positivecharge "protons are positive"
13. (adj)cocksure, overconfident, positive marked 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"