Panache, style (4)
I believe the answer is:
elan
<span class="explanation-format__ClueExplanation">I believe this clue is a double definition.<br/ ><br/ >'<span class="explanation-format__original">panache</span>' is the first definition.<br/ ><span class="explanation-format__explanation">(synonyms)</span><br/ ><br/ >'<span class="explanation-format__original">style</span>' is the second definition.<br/ ><span class="explanation-format__explanation">(I know that style can be written as elan)</span><br/ ><br/ ></span>
(Other definitions for elan that I've seen before include "Impetuosity - style" , "Dashing style" , "Stylish elegance" , "French vivacity" , "fizz" .)