Sophisticated, suave (6)
I believe the answer is:
urbane
<span class="explanation-format__ClueExplanation">I believe this is a double definition.<br/ ><br/ >'<span class="explanation-format__original">sophisticated</span>' is the first definition.<br/ ><span class="explanation-format__explanation">(synonyms)</span><br/ ><br/ >'<span class="explanation-format__original">suave</span>' is the second definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ ></span>
(Other definitions for urbane that I've seen before include "Smooth-mannered" , "Suavely elegant" , "Elegant and sophisticated - sounds like city type" , "Cultured" , "Sophisticated and elegant - sounds citified" .)