collaboration

1 the state of having shared interests or efforts (as in social or business matters) a documentary film on the battle that was produced in collaboration with a society of historical reenactors Synonyms affiliation, alliance, association, confederation, connection, cooperation, hookup, liaison, linkup, partnership, relation, relationship, tie-up, unionRelated Words business, dealings, interaction; exchange, interconnection, interrelation, mutualism, reciprocity, symbiosis; incorporation, integration, merger, unification; affinity, attachment, closeness, intimacy, rapport, sympathy; kinship, oneness, solidarity, togetherness, unity; colleagueship, companionship, company, fellowship; bed, cahoots, leagueNear Antonyms breakup, dissolution, disunion; division, parting, separation, severance, split; alienation, divorce, estrangementAntonyms disaffiliation, dissociation

2 the work and activity of a number of persons who individually contribute toward the efficiency of the whole our collaboration produced a better result than any of us could have achieved alone Synonyms teamwork, cooperation, coordinationRelated Words collegiality, fellowship, partnership; community, mutualism, reciprocity, symbiosis; synergism, synergy; communion, cooperativeness, kinship, oneness, solidarity, togetherness, unityAntonyms noncooperation