rare. [f. CONSTITUTION + -IST.] An adherent of the constitution of the country; = CONSTITUTIONALIST 2.

1

1735–8.  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.

2

1746.  W. Horsley, Fool (1748), II. 15. There is, in the above Speech, a … Turn of Thinking, that denotes the Speaker a thorough Constitutionist.

3