sonorousness(n = noun.attribute) plangency, resonance, reverberance, ringing, sonority, vibrancy - having the character of a loud deep sound; the quality of being resonant;
is a kind of quality, timber, timbre, tone
Derived form adjective sonorous₁

N  sound, noise, strain, accent, twang, intonation, tone, cadence, sonorousness, audibility, resonance, voice, aspirate, ideophone, rough breathing, acoustics, phonics, phonetics, phonology, phonography, diacoustics, diaphonics, phonetism, sounding, soniferous, sonorous, sonorific, resonant, audible, distinct, stertorous, phonetic, phonic, phonocamptic, a thousand trills and quivering sounds, forensis strepitus.