Definition of "Occupy" :

verb: consume all of one's attention or time

verb: march aggressively into another's territory by military force for the purposes of conquest and occupation

verb: require (time or space)

verb: assume, as of positions or roles

"The young prince will soon occupy the throne."

verb: keep busy with

verb: live (in a certain place)

verb: occupy the whole of

verb: be on the mind of