Discipline, subdue (7)
I believe the answer is:
chasten
<span class="explanation-format__ClueExplanation">This clue 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 before)</span><br/ ><br/ >'<span class="explanation-format__original">subdue</span>' is the second definition.<br/ ><span class="explanation-format__explanation">(I know that subdue can be written as chasten)</span><br/ ><br/ ></span>
(Other definitions for chasten that I've seen before include "Subdue pride of with a stench" , "Have a restraining effect on (someone)" , "Suppress" , "Subdue, correct by punishing" , "Castigate or punish" .)