adjective
Etymology: from past participle of substitute (II)
: put in the place of another: as
a. : appointed by a person to take the place of himself or another or of something else and especially to act in his own stead or to act on the happening of a particular event in the stead of another : appointed by substitution
a substituted executor
a substituted legacy
b. : having been subjected to a substitution reaction or having some of its parts replaced
alcohol is a substituted water
methylamine is a substituted ammonia