[f. prec. + -ISM.] Toleration of religious differences as a principle or system.
1873. Masson, Milton, III. 170. The respected Calamy, also a Smectymnuan, is at it again, Oct. 22 [1644], telling the Parliament that, if they do not put down Anabaptism, Antinomianism, and Tolerationism of all religions, then they are the Anabaptists, the Antinomians, the Tolerationists.
1898. Cath. News, 24 Dec., 12/6. This was sometimes called TolerationismBut they would understand it better as Free Trade [in religion].