Having the know-how (4)
I believe the answer is:
able
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">having the know-how</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for able that I've seen before include "Fit as a seaman" , "See 10" , "Having considerable skill" , "Skilled" , "accomplished" .)