Starts (6)
I believe the answer is:
begins
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">starts</span>' is the definition.<br/ ><span class="explanation-format__explanation">('begin' can be a synonym of 'start')</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for begins that I've seen before include "Commences" , "Starts" , "Makes a start" .)