substitution

n. replacement; act or instance of substituting

For Wikipedia Template Substitution, see Wikipedia:Substitution Substitution is the replacement of one thing with another. In mathematics:Substitution rule, in calculusThe substitution method of solving simultaneous equationsSubstitution property of equality, in mathematicsSubstitution cipher, in cryptographyString substitution, in theoretical computer science
See more at Wikipedia.org...

Noun
1. an event in which one thing is substituted for another; "the replacement of lost blood by a transfusion of donor blood"
(synonym) permutation, transposition, replacement, switch
(hypernym) variation, fluctuation
(derivation) substitute, sub, stand in, fill in
2. the act of putting one thing or person in the place of another: "he sent Smith in for Jones but the substitution came too late to help"
(synonym) exchange, commutation
(hypernym) change
(hyponym) replacement, replacing
(derivation) substitute, replace

n. substitution, replacement, surrogation

n. substitution, replacement, change