Definitions of occupied:

• adjective:   resided in; having tenants

  Example: "Not all the occupied (or tenanted) apartments were well kept up"

• adjective:   held or filled or in use

  Example: "She keeps her time well occupied"

• adjective:   seized and controlled as by military invasion

  Example: "The occupied countries of Europe"

• adjective:   having ones attention or mind or energy engaged

  Example: "She keeps herself fully occupied with volunteer activities"