Grease the palm of (5)
I believe the answer is:
bribe
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">grease the palm of</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for bribe that I've seen before include "Illegal incentive" , "Illegal inducement" , "Bung" , "Sweetener, back-hander" , "Money offered to corrupt" .)