subjugable--prophetes.ai

subjugable, a. rare.
  (ˈsʌbdʒəgəb(ə)l)
  [f. L. subjugāre to subjugate + -able.]
  That may be subdued or brought under cultivation.

1886 Science VII. 232 An abundance of good readily subjugable land, awaiting the settler.

Oxford English Dictionary