rare. [f. CONSTITUTION + -IST.] An adherent of the constitution of the country; = CONSTITUTIONALIST 2.
17358. Bolingbroke, On Parties, xix. (T.). Nothing can be more reasonable than to admit the nominal division of Constitutionists, and Anti-Constitutionists. Ibid. (R.). To encourage the constitutionists or country-party.
1746. W. Horsley, Fool (1748), II. 15. There is, in the above Speech, a Turn of Thinking, that denotes the Speaker a thorough Constitutionist.