Utopian setting (4)
I believe the answer is:
eden
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">utopian setting</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 eden that I've seen before include "PM 1955-56" , "The primal garden" , "The first garden" , "Idyllic garden" , "(Biblical) paradise" .)