Conspirators (8)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">conspirators</span>' is the definition.<br/ ><span class="explanation-format__explanation">('plotter' can be a synonym of 'conspirator')</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for plotters that I've seen before include "People planning" , "eg, Guy Fawkes and co" .)
(Other definitions for cabal that I've seen before include "Caucus" , "Group of political intriguers" , "Group in plot" , "Group of conspirators" , "Secret group of plotters" .)