| coagency(cooperation, concurrence) |
| concur(verb, help, set, meet, check) |
| consent(noun, verb, set, allow, agreement) |
| do business with(verb, expression, idiom, meet, unite) |
| harmoniousness(noun, melody, pleasantness, melodiousness, musicalness) |
| harmonize(verb, place, set, check, determine) |
| join forces(verb, expression, idiom, help, meet) |
| join in(expression, help, play, agree, aid) |
| lyric(noun, adjective, music, musical) |
| manage(verb, control, place, run, determine) |
| melody(noun, music, piece, arrangement, harmony) |
| mutual understanding(noun, expression, idiom, agreement) |
| organize(verb, determine, promote, establish, manage) |
| partner(verb, help, play, agree, aid) |
| partnership(support, help, aid, agreement, service) |
| peace(noun, understanding, agreement, accord, harmony) |
| plan(noun, plan) |
| play ball(expression, help, set, play, agree) |
| quartet(noun, music) |
| rapport(noun, understanding, agreement, accord, harmony) |