1. The act of cooperating, or of operating together to one end; joint operation; concurrent effort or labor.
Not holpen by the cooperation of angels. --Bacon.
2. Polit. Econ. The association of a number of persons for their benefit.
n 1: joint operation or action; "their cooperation with us was
essential for the success of our mission" [ant: competition]
2: the practice of cooperating; "economic cooperation"; "they
agreed on a policy of cooperation"