adjective

involving mutual assistance in working towards a common goal.

every member has clearly defined tasks in a cooperative enterprise

collaborative,collective,communal,combined,common,joint,shared,mutual,united,unified,allied,cross-party,pooled,mass,concerted,coordinated,interactive,unanimous,harmonious,coactive

noun

a farm, business, or other organization which is owned and run jointly by its members, who share the profits or benefits.

we run the agency as a workers’ cooperative