Source : Webster's Revised Unabridged Dictionary (1913)

Populate \Pop"u*late\, v. t. [imp. & p. p. {Populated}; p. pr. &
   vb. n. {Populating}.]
   To furnish with inhabitants, either by natural increase or by
   immigration or colonization; to cause to be inhabited; to
   people.

Source : WordNet®

populated
     adj : furnished with inhabitants; "the area is well populated";
           "forests populated with all kinds of wild life"