The Collaborative International Dictionary
Impeople
Impeople \Im*peo"ple\, v. t. [imp. & p. p. Impeopled; p. pr. & vb. n. Impeopling.] [See Empeople.] To people; to give a population to. [Obs.]
Thou hast helped to impeople hell.
--Beaumont.
Wiktionary
impeople
vb. (obsolete form of empeople English)