If you rearrange things, you change the way in which they are organized or ordered. When she returned, she found Malcolm had rearranged all her furniture
put into a new order or arrangement; "Please rearrange these files"; "rearrange the furniture in my room
If you rearrange a meeting or an appointment, you arrange for it to take place at a different time to that originally intended. You may cancel or rearrange the appointment = reschedule
put into a new order or arrangement; "Please rearrange these files"; "rearrange the furniture in my room"