adj.1 of or engaged in the production of goods.
2 producing much (productive soil; a productive writer).
3 Econ. producing commodities of exchangeable value (productive labour).
4 (foll. by of) producing or giving rise to (productive of great annoyance).
Derivatives:
productively adv. productiveness n.
Etymology: F productif -ive or LL productivus (as PRODUCT)