Discipline, chastise (6)
I believe the answer is:
punish
<span class="explanation-format__ClueExplanation">I believe this is a double definition.<br/ ><br/ >'<span class="explanation-format__original">discipline</span>' is the first definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >'<span class="explanation-format__original">chastise</span>' is the second definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ ></span>
(Other definitions for punish that I've seen before include "Cause to suffer for an offence" , "Discipline" , "Flog" , "Possibly fine" , "Like wordplay in speech" .)