Pleasant smell (5)
I believe the answer is:
aroma
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">pleasant smell</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for aroma that I've seen before include "Food fragrance" , "Savour" , "Test of knowledge" , "Pervasive quality" , "Pervasive atmosphere" .)