Pre-eminent (8)
I believe the answer is:
foremost
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">pre-eminent</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 foremost that I've seen before include "Most prominent" , "premier" , "Pre-eminent" , "First in rank" , "First in time, place or order" .)