noun compatibility in opinion and action
Synonymsharmoniousness
noun the structure of music with respect to the composition and progression of chords
Synonymsmusical harmony
noun a harmonious state of things in general and of their properties (as of colors and sounds); congruity of parts with one another and with the whole
noun agreement of opinions
noun an agreeable sound property
Oppositesdissonance
Source: WordNet 3.1, Princeton University