ETYM Old Eng. positif, French positif, Latin positivus. Related to Position.
1. Characterized by or displaying affirmation or acceptance or certainty etc.
2. (Mathematics) Greater than zero.
3. Having a positive electric charge; SYN. electropositive.
4. (Medicine) Indicating existence or presence of a suspected condition or pathogen; SYN. confirming.
5. Formally laid down or imposed; SYN. prescribed.