cooperate

1 to participate or assist in a joint effort to accomplish an end conservation groups cooperated with state authorities to find a humane way to manage the area's overpopulation of deer Synonyms band (together), collaborate, concert, concur, conjoin, conspire, join, league, team (up), unite Related Words connive; affiliate, ally, associate, combine, confederate, hang together, interface Phrases make common cause, play ball, pull together

2 to form or enter into an association that furthers the interests of its members several industrialized nations cooperated in a trade agreement to reduce or eliminate tariffs Synonyms associate, band (together), club, coalesce, cohere, confederate, conjoin, ally, federate, league, uniteRelated Words cabal, collaborate, gang up, hang together, team (up); incorporate, organize, unionize; affiliate; amalgamate, combine, conglomerate, consolidate, converge, group, join, merge; knot, link, tie, wedNear Antonyms detach, disengage, dissolve, disunite, divorce, part, segregate, separate, sever, split, sunder; alienate, estrange, fall outAntonyms break up, disband