Of punishment (5)
I believe the answer is:
penal
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">of punishment</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for penal that I've seen before include "Relating to legal punishment" , "Punishable by law" , "Corrective" , "Involving legal punishment" , "Punitive" .)