Puzzle solver's goal (8)
I believe the answer is:
solution
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">puzzle solver's goal</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for solution that I've seen before include "The answer sought" , "Key" , "What you want here" , "A mixture of liquid substances is the answer" , "Liquid mixture of two or more substances" .)