Blissfully peaceful (7)
I believe the answer is:
idyllic
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">blissfully peaceful</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 idyllic that I've seen before include "Arcadian, peaceful" , "Charming, picturesque" , "Unspoiled and perfect" , "Delightful in every respect" , "Blissfully peaceful" .)