harmony
n 1: compatibility in opinion and action [syn: {harmoniousness}]
2: the structure of music with respect to the composition and
progression of chords [syn: {musical harmony}]
3: a harmonious state; congruity of parts with one another and
with the whole [syn: {concord}, {concordance}]
4: agreement of opinions [syn: {concord}, {condordance}]
5: an agreeable sound property [ant: {dissonance}]