affirmative
1. af.fir.ma.tive \*-'f*r-m*t-iv\ aj 1: asserting a predicate of a subject
2: asserting that the fact is so 3: POSITIVE {~ approach} -
af.fir.ma.tive.ly av
2. affirmative n 1: an expression (as the word yes) of affirmation or
assent 2: an affirmative proposition 3: the side that upholds the
proposition stated in a debate
Webster's English Dictionary