adj. & n. (also co-operative)
--adj.
1. of or affording cooperation.
2 willing to cooperate.
3 Econ. (of a farm, shop, or other business, or a society owning such businesses) owned and run jointly by its members, with profits shared among them.
--n. a cooperative farm or society or business.
Derivatives:
cooperatively adv. cooperativeness n.
Etymology: LL cooperativus (as COOPERATE)