Cultivatable (6)
I believe the answer is:
arable
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">cultivatable</span>' is the definition.<br/ ><span class="explanation-format__explanation">(synonyms)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for arable that I've seen before include "Crop-land" , "Land suitable for growing crops" , "Fit for crop growing" , "Tillable" , "Type of farmland" .)