SubstitutionWordNet Explorer

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"

the action of changing something

the act of furnishing an equivalent person or thing in the place of another

(law) the act of substituting of one creditor for another

the act of substituting other food for the mother's milk in the diet of a child or young mammal

an event in which one thing is substituted for another

an instance of change; the rate or magnitude of change