Reverberates (6)
I believe the answer is:
echoes
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">reverberates</span>' is the definition.<br/ ><span class="explanation-format__explanation">('echo' can be a synonym of 'reverberate')</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for echoes that I've seen before include "Natural sound repetitions" , "rings" , "Sound reverberations" , "They're heard coming back" , "repercussions" .)