Whet (7)
I believe the answer is:
sharpen
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">whet</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I know that whet is a is a more specific form of the action sharpen)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for sharpen that I've seen before include "instrument secured by former nurse" , "Put a point on" , "Whet" , "Raise pitch of" , "Hone (a knife blade)" .)