Grow in value (10)
I believe the answer is:
appreciate
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">grow in value</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 appreciate that I've seen before include "Be grateful for - rise in value" , "prize > increase" , "Enjoy" , "See < prize" , "Be fully aware of" .)