What is the meaning of occupy?

verb

• Keep busy with.
  • usage: "She busies herself with her butterfly collection"
  • synonyms: busy
• Live (in a certain place. )
  • usage: "She resides in Princeton"; "he occupies two rooms on the top floor"
  • synonyms: reside, lodge in
• Occupy the whole of.
  • usage: "The liquid fills the container"
  • synonyms: fill
• Be on the mind of.
  • usage: "I worry about the second Germanic consonant shift"
  • synonyms: concern, interest, worry
• March aggressively into another's territory by military force for the purposes of conquest and occupation.
  • usage: "Hitler invaded Poland on September 1, 1939"
  • synonyms: invade
• Require (time or space. )
  • usage: "It took three hours to get to work this morning"; "This event occupied a very short time"
  • synonyms: take, use up
• Consume all of one's attention or time.
  • usage: "Her interest in butterflies absorbs her completely"
  • synonyms: absorb, engross, engage
• Assume, as of positions or roles.
  • usage: "She took the job as director of development"; "he occupies the position of manager"; "the young prince will soon occupy the throne"
  • synonyms: fill, take