Wordnet 3.0
ADJECTIVE (1)
1. 
 furnished with inhabitants; 
- Example: "the area is well populated"- Example: "forests populated with all kinds of wild life"
The Collaborative International Dictionary of English v.0.48:
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.
   [1913 Webster]
WordNet (r) 3.0 (2006):
populated
    adj 1: furnished with inhabitants; "the area is well populated";
           "forests populated with all kinds of wild life"