Defn: 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.),

Defn: a person who enlists for military service in the place of a
conscript or drafted man.
Hast thou not made me here thy substitute Milton.
Ladies [in Shakespeare's age] . . . wore masks as the sole substitute
known to our ancestors for the modern parasol. De Quincey.

SUBSTITUTE
Sub"stit"ute, v. t. [imp. & p. p. Substituted; p. pr. & vb. n.
Substituting.] Etym: [See Substitute, n.]

Defn: To put in the place of another person or thing; to exchange.
Some few verses are inserted or substituted in the room of others.
Congreve.

SUBSTITUTED
Sub"stit"uted, a.

1. Exchanged; put in the place of another.

2. (Chem.)

Defn: 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. Substituted executor (Law), an executor appointed to act in place of one removed or resigned.

SUBSTITUTION
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.