Suggestion, tinge (6)
I believe the answer is:
nuance
<span class="explanation-format__ClueExplanation">I believe this clue is a double definition.<br/ ><br/ >'<span class="explanation-format__original">suggestion</span>' is the first definition.<br/ ><span class="explanation-format__explanation">(thesaurus)</span><br/ ><br/ >'<span class="explanation-format__original">tinge</span>' is the second definition.<br/ ><span class="explanation-format__explanation">(thesaurus)</span><br/ ><br/ ></span>
(Other definitions for nuance that I've seen before include "Subtle shade of meaning" , "Ace nun (anag)" , "A hint or shade" , "Subtlety, nicety" , "Subtle shade of difference" .)