- cooperation - joint operation or action; "their cooperation with us was essential for the success of our mission"
--1 is a kind of group action
Antonyms: competition, contention, rivalry
--1 has particulars:Derived form: verb cooperate1 - cooperation - the practice of cooperating; "economic cooperation"; "they agreed on a policy of cooperation"
--2 is a kind of practice, pattern
Derived form: verb cooperate1