All __; ready
I believe the answer is:
set
<span class="explanation-format__ClueExplanation">This clue is a double definition.<br/ ><br/ >'<span class="explanation-format__original">all</span>' is the first definition.<br/ ><span class="explanation-format__explanation">(thesaurus)</span><br/ ><br/ >'<span class="explanation-format__original">ready</span>' is the second definition.<br/ ><span class="explanation-format__explanation">(I know that ready can be written as set)</span><br/ ><br/ ></span>
(Other definitions for set that I've seen before include "Group; hard" , "Where they're filming" , "Major segment of tennis match" , "Become stiff like jelly" , "Mount (precious stone)" .)