Subjugate, v. t. [imp. & p. p. Subjugated; p. pr. & vb. n. Subjugating.]
Etymology: [L. subjugatus, p.p. of subjugare to subjugate; sub under + jugum a yoke. See Yoke.]
To subdue, and bring under the yoke of power or dominion; to conquer by force, and compel to submit to the government or absolute control of another; to vanquish. He subjugated a king, and called him his "vassal." Baker.
Syn. -- To conquer; subdue; overcome. See Conquer.
Shades of meaning
Fernald has no entry of its own for subjugate; he lists it under conquer.
He lists it without comment; the entries above explain its neighbors.