Subjugate:
Verb 1. subjugate - put down by force or intimidation; "The government quashes any attempt of an uprising"; "China keeps down her dissidents very efficiently"; "The rich landowners subjugated the peasants working the land"
quash, repress, subdue, keep down, reduce
crush, oppress, suppress - come down on or keep down by unjust use of one's authority; "The government oppresses political activists"
I think you will like it now that you know what it means