[n] the act of furnishing an equivalent person or thing in the place of another; "replacing the star will not be easy"
[n] a person or thing that takes or can take the place of another
[n] an event in which one thing is substituted for another; "the replacement of lost blood by a transfusion of donor blood"
[n] a person who follows next in order; "he was President Lincoln's successor"
[n] someone who takes the place of another person
[n] filling again by supplying what has been used up