Euphony

(n.) A pleasing or sweet sound; an easy, smooth enunciation of sounds; a pronunciation of letters and syllables which is pleasing to the ear.

Thesaurus Entries

accord, accordance, attune, attunement, balance, beauty, chime, chiming, concentus, concert, concinnity, concord, concordance, consonance, consonancy, consort, diapason, equilibrium, harmonics, harmony, heavy harmony, homophony, measure, measuredness, monochord, monody, order, orderedness, proportion, rhythm, sweetness, symmetry, symphony, synchronism, synchronization, three-part harmony, tune, unison, unisonance