Neat, in order (4)
I believe the answer is:
tidy
<span class="explanation-format__ClueExplanation">I believe this clue is a double definition.<br/ ><br/ >'<span class="explanation-format__original">neat</span>' is the first definition.<br/ ><span class="explanation-format__explanation">(synonyms)</span><br/ ><br/ >'<span class="explanation-format__original">in order</span>' is the second definition.<br/ ><span class="explanation-format__explanation">(synonyms)</span><br/ ><br/ ></span>
(Other definitions for tidy that I've seen before include "Well-groomed" , "Clear up" , "Shipshape" , "Uncluttered" , "Neaten" .)