[n] the practice of cooperating; "economic cooperation"; "they agreed on a policy of cooperation"
[n] joint operation or action; "their cooperation with us was essential for the success of our mission"
abidance, allegiance, coaction, collaboration, commitment, compliance, compromise, concurrence, conformation, conformity, dedication, group action, loyalty, pattern, practice, quislingism, rapprochement, reconciliation, representation, selflessness, self-sacrifice, teamwork, via media
\Co*["o]p`er*a"tion\, n. [L. co["o]peratio: cf. F. coop['e]ration.]
1. The act of co["o]perating, or of operating together to one end; joint operation; concurrent effort or labor. Not holpen by the co["o]peration of angels. --Bacon.
2. (Polit. Econ.) The association of a number of persons for their benefit.