Eagerness, zeal (6)
I believe the answer is:
ardour
<span class="explanation-format__ClueExplanation">I believe this clue is a double definition.<br/ ><br/ >'<span class="explanation-format__original">eagerness</span>' is the first definition.<br/ ><span class="explanation-format__explanation">(ardour is a kind of eagerness)</span><br/ ><br/ >'<span class="explanation-format__original">zeal</span>' is the second definition.<br/ ><span class="explanation-format__explanation">(synonyms)</span><br/ ><br/ ></span>
(Other definitions for ardour that I've seen before include "Passion, rapture" , "Passionate warmth" , "Great fire" , "Intense eagerness" , "Intense feeling (of love?)" .)