cooperation
Co*öp`er*a"tion, n. Etym: [L. coöperatio: cf. F. coopération.] 1. The act of coöperating, or of operating together to one end; joint operation; concurrent effort or labor. Not holpen by the coöperation of angels. Bacon. 2. (Polit. Econ.) Defn: The association of a number of persons for their benefit.