SUBSTITUTION

substitution, exchange, commutation

(noun) 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”

substitution, permutation, transposition, replacement, switch

(noun) an event in which one thing is substituted for another; “the replacement of lost blood by a transfusion of donor blood”

Source: WordNet® 3.1

Etymology

Noun

substitution (countable and uncountable, plural substitutions)

The act of substituting or the state of being substituted.

A substitute or replacement.

(chemistry, especially, organic chemistry) The replacement of an atom, or group of atoms, in a compound, with another.

Anagrams

• bustitutions

Source: Wiktionary

Sub`sti*tu"tion, n. Etym: [L. substitutio: cf. F. substitution.]

1. The act of substituting or putting one person or thing in the place of another; as, the substitution of an agent, attorney, or representative to act for one in his absense; the substitution of bank notes for gold and silver as a circulating medium.

2. The state of being substituted for another.

3. The office or authority of one acting for another; delegated authority. [R.] Shak.

4. (Civil Law)

Definition: The designation of a person in a will to take a devise or legacy, either on failure of a former devisee or legatee by incapacity or unwillingness to accept, or after him. Burrill.

5. (Theol.)

Definition: The doctrine that Christ suffered vicariously, being substituted for the sinner, and that his sufferings were expiatory.

6. (Chem.)

Definition: The act or process of substituting an atom or radical for another atom or radical; metethesis; also, the state of being so substituted. See Metathesis.

Source: Webster’s Unabridged Dictionary 1913 Edition