hereupon (adverb) hereafter: from now on
Sinonime: accordant, agreeable, assonant, canorous, clear, concordant, dulcet, euphonic, euphonious, harmonic, in tune, mellifluous, mellow,
melodic,
musical, pleasing, resonant, silvery, soft, songful, sweet, sweet-sounding, symphonic, symphonious, tuned, tuneful, well tuned
Antonime: discordant, grating, inharmonious