euphony(n = noun.cognition) music - any agreeable (pleasing and harmonious) sounds; "he fell asleep to the music of the wind chimes"
is a kind of auditory sensation, sound
has particulars: music of the spheres
Derived forms adjective euphonic₁, adjective euphonical₁, adjective euphonious₁, adjective euphonious₂, adjective euphonous₁

   A pleasing or sweet sound; an easy, smooth enunciation of sounds; a pronunciation of letters and syllables which is pleasing to the ear. [1913 Webster]

euphony, n. (pl. -ies)
1 a pleasantness of sound, esp. of a word or phrase; harmony. b a pleasant sound.
2 the tendency to make a phonetic change for ease of pronunciation.

Derivative:
euphonic adj. euphonize v.tr. (also -ise).

Etymology:
F euphonie f. LL euphonia f. Gk euphonia (as EU-, phone sound)

N  elegance, purity, grace, ease, gracefulness, readiness, concinnity, euphony, numerosity, Atticism, classicalism, classicism, well rounded periods, well turned periods, flowing periods, the right word in the right place, antithesis, purist, elegant, polished, classical, Attic, correct, Ciceronian, artistic, chaste, pure, Saxon, academical, graceful, easy, readable, fluent, flowing, tripping, unaffected, natural, unlabored, mellifluous, euphonious, euphemism, euphemistic, numerose, rhythmical, felicitous, happy, neat, well put, neatly put, well expressed, neatly expressed.

N  voice, vocality, organ, lungs, bellows, good voice, fine voice, powerful voice, musical voice, intonation, tone of voice, vocalization, cry, strain, utterance, prolation, exclamation, ejaculation, vociferation, ecphonesis, enunciation, articulation, articulate sound, distinctness, clearness, of articulation, stage whisper, delivery, accent, accentuation, emphasis, stress, broad accent, strong accent, pure accent, native accent, foreign accent, pronunciation, homonym, orthoepy, cacoepy, euphony, gastriloquism, ventriloquism, ventriloquist, polyphonism, polyphonist, phonology, vocal, phonetic, oral, ejaculatory, articulate, distinct, stertorous, euphonious, how sweetly sounds the voice of a good woman, the organ of the soul, thy voice is a celestial melody.

N  concord, accord, harmony, symphony, homologue, agreement, sympathy, empathy, response, union, unison, unity, bonds of harmony, peace, unanimity, league, happy family, rapprochement, reunion, amity, alliance, entente cordiale, good understanding, conciliation, peacemaker, intercessor, mediator, concordant, congenial, agreeing, in accord, harmonious, united, cemented, banded together, allied, friendly, fraternal, conciliatory, at one with, of one mind, at peace, in still water, tranquil, with one voice, in concert with, hand in hand, on one's side, commune periculum concordiam parit, melody concord, melody, rhythm, measure, rhyme, pitch, timbre, intonation, tone, scale, gamut, diapason, diatonic chromatic scale, enharmonic scale, key, clef, chords, modulation, temperament, syncope, syncopation, preparation, suspension, resolution, staff, stave, line, space, brace, bar, rest, appoggiato, appoggiatura, acciaccatura, note, musical note, notes of a scale, sharp, flat, natural, high note, low note, interval, semitone, second, third, fourth, diatessaron, breve, semibreve, minim, crotchet, quaver, semiquaver, demisemiquaver, hemidemisemiquaver, sustained note, drone, burden, tonic, key note, leading note, fundamental note, supertonic, mediant, dominant, submediant, subdominant, octave, tetrachord, major key, minor key, major scale, minor scale, major mode, minor mode, passage, phrase, concord, harmony, emmeleia, unison, unisonance, chime, homophony, euphony, euphonism, tonality, consonance, consent, part, harmony, harmonics, thorough-bass, fundamental-bass, counterpoint, faburden, piece of music, composer, harmonist, contrapuntist (musician), harmonious, harmonical, in concord, in tune, in concert, unisonant, concentual, symphonizing, isotonic, homophonous, assonant, ariose, consonant, measured, rhythmical, diatonic, chromatic, enharmonic, melodious, musical, melic, tuneful, tunable, sweet, dulcet, canorous, mellow, mellifluous, soft, clear, clear as a bell, silvery, euphonious, euphonic, euphonical, symphonious, enchanting fine-toned, full-toned, silver-toned, harmoniously, in harmony, as one, the hidden soul of harmony.