Delay, deferment (12)
I believe the answer is:
postponement
<span class="explanation-format__ClueExplanation">This clue is a double definition.<br/ ><br/ >'<span class="explanation-format__original">delay</span>' is the first definition.<br/ ><span class="explanation-format__explanation">(postponement is a kind of delay)</span><br/ ><br/ >'<span class="explanation-format__original">deferment</span>' is the second definition.<br/ ><span class="explanation-format__explanation">(synonyms)</span><br/ ><br/ ></span>
(Other definitions for postponement that I've seen before include "Deferral" , "A shift to a later time" , "#Delay" , "Deferment" , "Stay" .)