replacement

Noun

• a person who follows next in order
  • he was President Lincoln's successor
    

• filling again by supplying what has been used up

• a person or thing that takes or can take the place of another

• an event in which one thing is substituted for another
  • the replacement of lost blood by a transfusion of donor blood
    

• someone who takes the place of another person

• the act of furnishing an equivalent person or thing in the place of another
  • replacing the star will not be easy
    

Related words

• Synonyms: 
  successor , refilling , replenishment , renewal , substitute , substitution , permutation , transposition , switch , surrogate , alternate , replacing