Source : Webster's Revised Unabridged Dictionary (1913)

Reverberation \Re*ver`ber*a"tion\, n. [CF. F.
   r['e]verb['e]ration.]
   The act of reverberating; especially, the act of reflecting
   light or heat, or re["e]choing sound; as, the reverberation
   of rays from a mirror; the reverberation of rays from a
   mirror; the reverberation of voices; the reverberation of
   heat or flame in a furnace.

Source : WordNet®

reverberation
     n 1: the persistence of a sound after its source has stopped
          [syn: {echo}, {sound reflection}, {replication}]
     2: a remote or indirect consequence of some action; "his
        declaration had unforeseen repercussions"; "reverberations
        of the market crash were felt years later" [syn: {repercussion}]