Die down (5)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">die down</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for abate that I've seen before include "Become less intense" , "Let up or die away" , "Moderate" , "Put an end to" , "(Flood) recede" .)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">die down</span>' is the definition.<br/ ><span class="explanation-format__explanation">(subsiding is a kind of diing down)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for subside that I've seen before include "Wane" , "Abate" , "(Of floods) go down" , "Fall back" , "Collapse" .)