Preferment (11)
I believe the answer is:
advancement
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">preferment</span>' is the definition.<br/ ><span class="explanation-format__explanation">(thesaurus)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for advancement that I've seen before include "getting on" , "making progress" , "Promotion in rank" , "Process of developing" , "headway" .)