Make steady (9)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">make steady</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for stabilise that I've seen before include "get on an even keel" , "Make firm" , "regulate equilibrium" , "Make of keep steady or balanced" , "Fix; regulate" .)