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)
Defn: 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.)
Defn: The doctrine that Christ suffered vicariously, being substituted for the sinner, and that his sufferings were expiatory.
6. (Chem.)
Defn: 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.
SUBSTITUTIONAL
Sub`sti*tu"tion*al, a.
Defn: Of or pertaining to substitution; standing in the place of
another; substituted.
— Sub`sti*tu"tion*al*ly, adv.