Skilful, shrewd (5)
I believe the answer is:
canny
<span class="explanation-format__ClueExplanation">I believe this clue is a double definition.<br/ ><br/ >'<span class="explanation-format__original">skilful</span>' is the first definition.<br/ ><br/ >'<span class="explanation-format__original">shrewd</span>' is the second definition.<br/ ><span class="explanation-format__explanation">(both can mean having good judgement)</span><br/ ><br/ ></span>
(Other definitions for canny that I've seen before include "Astute" , "Shrewd, clever" , "Fly" , "Shrewd like Scotsman" , "Shrewd, knowing" .)