| concentrating(verb, converging) |
| confederating(noun, verb, co-operating) |
| conjoining(noun, verb, combination, union, amalgamation) |
| conjunction(noun, merger, agreement, accord, combination) |
| consolidation(noun, agreement, combination, union, accord) |
| converging |
| cooperating(verb, co-acting) |
| cooperative(adjective, joint, shared, unified, coterminous) |
| dovetailing(verb, endurance, stability, steadiness, co-operating) |
| joint(noun, adjective, agreement, combination, accord) |
| linking(noun, verb, connection, endurance, stability) |
| marriage |
| mingling(noun, verb, combination, union, amalgamation) |
| mixing(noun, verb) |
| mixture(noun, agreement, combination, union, accord) |
| pairing |
| pooling(verb, co-operating) |
| synergetic(adjective, joint, harmonious, united, shared) |
| synergic(adjective, joint, harmonious, united, shared) |
| synergistic(adjective, cooperative, coterminous, centrolineal, connecting) |