Putsch (4)
I believe the answer is:
coup
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">putsch</span>' is the definition.<br/ ><span class="explanation-format__explanation">(synonyms)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for coup that I've seen before include "revolution?" , "Brilliant success - seizure of government" , "Violent seizure of power" , "clever stratagem" , "Stroke of genius" .)