Open to suggestion (8)
I believe the answer is:
amenable
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">open to suggestion</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 amenable that I've seen before include "Willing to comply" , "Willing to yield or be influenced" , "Nameable as being willing to be controlled" , "Helpful" , "Ready to accept" .)