Most clement (8)
I believe the answer is:
gentlest
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">most clement</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for gentlest that I've seen before include "Least aggressive" , "Softest, mildest" , "Most tender and least rough" , "Most mild" .)