R. C. Theol. [f. L. tūtior safer, comp. of tūtus safe + -IST.] One who holds that in cases of conscience the course of greater moral safety should be chosen. Cf. RIGORIST 2 and LAXIST. Also attrib. So Tutiorism, the doctrine of the Tutiorists; a less strict form of RIGORISM.

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1845.  Gladstone, Glean. (1879), VII. 192. There is also in the Latin Church a rigid school of those who pass by the name of Tutiorists. These hold that even such likelihood is insufficient, and that certainty is required as a warrant for our acts.

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1885.  Catholic Dict. (ed. 3), 602/2. The Rigorists, or Tutiorists … held that we must always take the safer way, always sacrifice our freedom, however small the probability that our freedom is restrained by the law. Ibid., 603/2. We cannot see that Probabiliorism is logical and consistent, the arguments adduced by its advocates really tend to Tutiorism.

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1906.  Ch. Times, 2 March, 291. Hence the prevailing ‘tutiorist’ tone [in the Lower House of Convocation].

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