Castigate, admonish (6)
I believe the answer is:
rebuke
<span class="explanation-format__ClueExplanation">I believe this clue is a double definition.<br/ ><br/ >'<span class="explanation-format__original">castigate</span>' is the first definition.<br/ ><span class="explanation-format__explanation">(I know that castigate is a more specific form of rebuke)</span><br/ ><br/ >'<span class="explanation-format__original">admonish</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 rebuke that I've seen before include "Sharply reprimand" , "Reprimand, admonish" , "Remonstration" , "Sharply criticize" , "Express sharp disapproval" .)