co·op·er·a·tive [ kō óppərətiv ] or co-op·er·a·tive
adjective
Definition:
1. willing to help: doing or willing to do what is asked or required She's a good worker and very cooperative.
2. working together: working or acting together with others, or done by people working or acting together a cooperative effort
3. business of jointly owned apartment building: relating to a building with apartments owned by a corporation of tenants in which shares of expenses are calculated on the basis of the value of the tenant's apartment
4. business operated collectively: owned jointly by all its members or workers, who share all profits equally a cooperative farm