n. [ L. substitutus, p. p. of substituere to put under, put in the place of; sub under + statuere to put, place: cf. F. substitut. See Statute. ] One who, or that which, is substituted or put in the place of another; one who acts for another; that which stands in lieu of something else; specifically (Mil.), a person who enlists for military service in the place of a conscript or drafted man. [ 1913 Webster ]

Hast thou not made me here thy substitute? Milton. [ 1913 Webster ]

Ladies [ in Shakespeare's age ] . . . wore masks as the sole substitute known to our ancestors for the modern parasol. De Quincey. [ 1913 Webster ]

v. t. [ imp. & p. p. Substituted p. pr. & vb. n. Substituting ] [ See Substitute, n. ] To put in the place of another person or thing; to exchange. [ 1913 Webster ]

Some few verses are inserted or substituted in the room of others. Congreve. [ 1913 Webster ]

a. 1. Exchanged; put in the place of another. [ 1913 Webster ]

2. (Chem.) Containing substitutions or replacements; having been subjected to the process of substitution, or having some of its parts replaced; as, alcohol is a substituted water; methyl amine is a substituted ammonia. [ 1913 Webster ]

Substituted executor (Law), an executor appointed to act in place of one removed or resigned. [ 1913 Webster ]

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. [ 1913 Webster ]

2. The state of being substituted for another. [ 1913 Webster ]

3. The office or authority of one acting for another; delegated authority. [ R. ] Shak. [ 1913 Webster ]

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. [ 1913 Webster ]

5. (Theol.) The doctrine that Christ suffered vicariously, being substituted for the sinner, and that his sufferings were expiatory. [ 1913 Webster ]

6. (Chem.) The act or process of substituting an atom or radical for another atom or radical; metathesis; also, the state of being so substituted. See Metathesis. [ 1913 Webster ]

a. Of or pertaining to substitution; standing in the place of another; substituted. -- Sub`sti*tu"tion*al*ly, adv. [1913 Webster]

a. Of or pertaining to substitution; substitutional. [ 1913 Webster ]

a. [ Cf. F. substitutif, L. substitutivus conditional. ] Tending to afford or furnish a substitute; making substitution; capable of being substituted. Bp. Wilkins. [ 1913 Webster ]