positive

involving advantage or good

a plus (or positive) factor

persuaded of; very sure

were convinced that it would be to their advantage to join

I am positive he is lying

marked by excessive confidence

an arrogant and cocksure materialist

so overconfident and impudent as to speak to the queen

having a positive charge

protons are positive

impossible to deny or disprove

incontrovertible proof of the defendant's innocence

proof positive

formally laid down or imposed

positive laws

characterized by or displaying affirmation or acceptance or certainty etc.

a positive attitude

the reviews were all positive

greater than zero

positive numbers

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

indicating existence or presence of a suspected condition or pathogen

a positive pregnancy test

a film showing a photographic image whose tones correspond to those of the original subject

the primary form of an adjective or adverb; denotes a quality without qualification, comparison, or relation to increase or diminution