Readjust (5)
I believe the answer is:
reset
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">readjust</span>' is the definition.<br/ ><span class="explanation-format__explanation">(synonyms)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for reset that I've seen before include "Changed reading" , "Adjust (eg clock, tuning)" , "Steer so as to fix broken bone" , "do this to make adjustment" , "Restore to zero" .)