subjugate
Concise Oxford English Dictionary © 2008 Oxford University Press:
subjugate /ˈsʌbdʒʊgeɪt/
▶verb (often subjugate someone/thing to) bring under domination or control, especially by conquest.
– derivatives
subjugation noun,
subjugator noun.
subjugation noun,
subjugator noun.
– origin ME: from late L. subjugat-, subjugare ‘bring under a yoke’, based on jugum ‘yoke’.
'subjugate' also found in these Oxford entries:

