Ingenious; skilful (6)
I believe the answer is:
clever
<span class="explanation-format__ClueExplanation">This clue is a double definition.<br/ ><br/ >'<span class="explanation-format__original">ingenious</span>' is the first definition.<br/ ><span class="explanation-format__explanation">(I know that ingenious can be written as clever)</span><br/ ><br/ >'<span class="explanation-format__original">skilful</span>' is the second definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ ></span>
(Other definitions for clever that I've seen before include "Sharp and able" , "expert" , "Skilful, adroit" , "Adroit, ingenious" , "Quick-minded" .)