IPA: /ˈpɒp.jʊ.leɪt/
KK: /ˈpɒp.jʊ.leɪt/
To fill an area with people or living things; to provide a place with inhabitants.
The new housing development will populate the area with families.
Past: populated
Past Participle: populated
Populate → It is formed from "populus" (meaning people) and the suffix "-ate" (indicating to cause or make). The word "populate" means to cause a place to be filled with people or to make it populated.
Think of 'people' ('populus') being 'made' to fill a space — that's why populate means to fill an area with people.