Verve, vigour (4)
I believe the answer is:
brio
<span class="explanation-format__ClueExplanation">This clue is a double definition.<br/ ><br/ >'<span class="explanation-format__original">verve</span>' is the first definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >'<span class="explanation-format__original">vigour</span>' is the second definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ ></span>
(Other definitions for brio that I've seen before include "(Of music) spirit" , "Dash or verve, from Italian" , "'Liveliness, vivacity (4)'" , "Liveliness, maybe in music" , "Spiritedness" .)