Reverberation

Noun

 * 1) A violent oscillation or vibration
 * The discomfort caused by the bat's reverberation surprised Tommy.
 * 1) An echo, or a series of overlapping echos
 * The reverberation that followed Marylin's shout filled the cavern.
 * 1) The reflection of light or heat; a reflection in, or as though in, a mirror.
 * Like the several reverberations of the same image from two opposite looking glasses.
 * 1) (plural) An evolving series of effects resulting from a particular event; a repercussion
 * Reverberations from the Vietnam war affect our society to this day.

Adjectives for Reverberation
rocking; surly; crashing; clanging; thunderous; deafening.

Thesaurus
acknowledgment, action and reaction, answer, answering, antiphon, automatic reaction, autonomic reaction, back answer, back talk, backchat, boom, booming, bounceback, comeback, echo, evasive reply, growl, growling, grumble, grumbling, predictable response, reaction, ready reply, reboation, rebound, receipt, reecho, reflection, reflex, reflex action, refluence, reflux, rejoinder, repartee, replication, reply, repost, rescript, rescription, resound, resounding, respondence, response, responsion, responsory, retort, retroaction, return, revulsion, riposte, rise, rumble, rumbling, short answer, snappy comeback, thunder, thundering, unthinking response, witty reply, witty retort, yes-and-no answer

Etymology
from the verb reverberate