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substitute
7 dictionary results for: substitution
Dictionary.com Unabridged (v 1.1) - Cite This Source - Share This
sub·sti·tute       [suhb-sti-toot, -tyoot] Pronunciation Key noun, verb, -tut·ed, -tut·ing, adjective
–noun
1.a person or thing acting or serving in place of another.
2.(formerly) a person who, for payment, served in an army or navy in the place of a conscript.
3.Grammar. a word that functions as a replacement for any member of a class of words or constructions, as do in He doesn't know but I do.
–verb (used with object)
4.to put (a person or thing) in the place of another.
5.to take the place of; replace.
6.Chemistry. to replace (one or more elements or groups in a compound) by other elements or groups.
–verb (used without object)
7.to act as a substitute.
–adjective
8.of or pertaining to a substitute or substitutes.
9.composed of substitutes.
[Origin: 1350–1400; ME < L substitūtus (ptp. of substituere to put in place of), equiv. to sub- sub- + -stitū-, comb. form of statū-, ptp. s. of statuere (see substituent) + -tus ptp. suffix]

—Related forms
sub·sti·tut·a·ble, adjective
sub·sti·tut·a·bil·i·ty, noun
sub·sti·tut·er, noun
sub·sti·tut·ing·ly, adverb
sub·sti·tu·tion, noun
sub·sti·tu·tion·al, sub·sti·tu·tion·ar·y       [suhb-sti-too-shuh-ner-ee, -tyoo-] Pronunciation Key, adjective
sub·sti·tu·tion·al·ly, adverb

—Synonyms 1. alternative, replacement, equivalent.
Dictionary.com Unabridged (v 1.1)
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2006.
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American Heritage Dictionary - Cite This Source - Share This
sub·sti·tu·tion       (sŭb'stĭ-tōō'shən, -tyōō'-)  Pronunciation Key 
n.  
    1. The act or an instance of substituting.
    2. The state of being substituted.
  2. One that is substituted; a replacement.

sub'sti·tu'tion·al, sub'sti·tu'tion·ar'y adj., sub'sti·tu'tion·al·ly adv.
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The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2006 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Online Etymology Dictionary - Cite This Source - Share This
substitution 
1390, from M.Fr. substitution, from L.L. substitutionem (nom. substitutio) "a putting in place of another," from L. substitutus, pp. of substituere "put in place of another, place under or next to," from sub "under" + statuere "set up." Substitute (v.) is first recorded 1532 in transitive sense, 1888 as intransitive. The noun is first attested c.1400; sports sense is from 1849.

Online Etymology Dictionary, © 2001 Douglas Harper
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WordNet - Cite This Source - Share This
substitution

noun
1. an event in which one thing is substituted for another; "the replacement of lost blood by a transfusion of donor blood" 
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" 

WordNet® 3.0, © 2006 by Princeton University.
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American Heritage Stedman's Medical Dictionary - Cite This Source - Share This

substitution sub·sti·tu·tion (sŭb'stĭ-t&oomacr;'shən, -ty&oomacr;'-)
n.

  1. The replacement of an atom or group of atoms in a compound by another atom or group of atoms.
  2. An unconscious defense mechanism by which the unacceptable or unattainable is replaced by something more acceptable or attainable.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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Merriam-Webster's Dictionary of Law - Cite This Source - Share This
Main Entry: sub·sti·tu·tion
Pronunciation: "s&b-st&-'tü-sh&n, -'tyü-
Function: noun
: the substituting of one person or thing for another: as a in the civil law of Louisiana : a disposition not in trust by which a donee, heir, or legatee is charged to hold property transferred and return it to a third person —compare FIDEI COMMISSUM, VULGAR SUBSTITUTION
NOTE: Substitutions are prohibited. b : replacement of a party to an action with a successor or representative upon motion to the court when the party is unable to continue litigating (as because of death, incompetency, transfer of interest, or loss of the office for which the party was suing or being sued in an official capacity) c : the replacement of a new agreement or obligation for an old one —see also NOVATION —sub·sti·tu·tion·al /-sh&-n&l/ noun —sub·sti·tu·tion·ary /-sh&-"n&r-E/ adjective

Merriam-Webster's Dictionary of Law, © 1996 Merriam-Webster, Inc.
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Webster's Revised Unabridged Dictionary - Cite This Source - Share This

Substitution

Sub`sti*tu"tion\, n. [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) 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.) The doctrine that Christ suffered vicariously, being substituted for the sinner, and that his sufferings were expiatory.

6. (Chem.)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.

Webster's Revised Unabridged Dictionary, © 1996, 1998 MICRA, Inc.
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