THESAURUS
joint operation
action, amphibious operations, bipartisanship, coaction, coadjuvancy, coadministration, coagency, cochairmanship, codirectorship, collaboration, collaborativeness, collectivism, collusion, combined operations, commensalism, common effort, common enterprise, communalism, communism, communitarianism, community, complicity, concert, concord, concordance, concurrence, cooperation, cooperativeness, dry run, duet, duumvirate, ecumenicalism, ecumenicism, ecumenism, esprit, esprit de corps, fellow feeling, fellowship, fluid operations, harmony, joining of forces, joint effort, logistics, maneuver, maneuvers, mass action, military operations, minor operations, mission, morale, movement, mutual assistance, mutualism, mutuality, octet, operation, operations, overseas operations, pooling, pooling of resources, pulling together, quartet, quintet, reciprocity, septet, sextet, solidarity, staff work, symbiosis, synergism, synergy, team spirit, teamwork, trio, triumvirate, troika, united action, war game, war plans