Courteous fellow (4)
I believe the answer is:
gent
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">courteous fellow</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 gent that I've seen before include "Auctioneer's tool" , "Toff" , "Honourable man" , "Chap, fellow" , "cove" .)