Bonny (6)
I believe the answer is:
pretty
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">bonny</span>' is the definition.<br/ ><span class="explanation-format__explanation">(thesaurus)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for pretty that I've seen before include "sweet" , "Nice to look at" , "chocolate-box" , "Facially attractive" , "Attractive, beautiful" .)