af·fir·ma·tive /ə-'fər-mə-tiv/ adj
1: asserting the existence of certain facts esp. in support of a cause of action
affirmative proof
2: resulting from an intentional act
affirmative concealment
3: involving or requiring application of effort
an affirmative duty
4: favoring or supporting a proposition or motion
an affirmative vote
af·fir·ma·tive·ly adv
Merriam-Webster’s Dictionary of Law. Merriam-Webster. 1996.