Groom elaborately (5)
I believe the answer is:
preen
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">groom elaborately</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for preen that I've seen before include "Groom elaborately" , "Tidy/clean (feathers)" , "Beautify" , "Clean with the beak" , "demonstrate pride" .)