[f. as prec. + -ISM.] Also Equationist [+ -IST.] (See quots.)
1871. W. G. Ward, Ess. Theism (1884), II. 247. The principle of equationism; the principle of effecting an equation between the strength of his convictions and the amount of proof on which they respectively rest . The objection of equationists can be otherwise met.