Self-congratulatory (4)
I believe the answer is:
smug
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">self-congratulatory</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 smug that I've seen before include "looking pleased with itself" , "goody-goody" , "Be envious of" , "Smooth" , "Self-satisfied, complacent" .)