| noun | the act of furnishing an equivalent person or thing in the place of another “replacing the star will not be easy” |
| noun | someone who takes the place of another person |
| noun | an event in which one thing is substituted for another “the replacement of lost blood by a transfusion of donor blood” |
| noun | a person or thing that takes or can take the place of another |
| noun | filling again by supplying what has been used up |
| noun | a person who follows next in order “he was President Lincoln's successor” |
| replace | verb | take the place or move into the position of |
| alternate | adjective | serving or used in place of another |
| alternate | verb | exchange people temporarily to fulfill certain jobs and functions |
| substitute | verb | be a substitute |
| switch | verb | exchange or give (something) in exchange for |
| substitute | adjective | serving or used in place of another |
| refill | verb | fill something that had previously been emptied |
| replenish | verb | fill something that had previously been emptied |
| succeed | verb | be the successor (of) |