deists (dēˈĭsts) [key], term commonly applied to those thinkers in the 17th and 18th cent. who held that the course of nature sufficiently demonstrates the existence of God. For them formal religion was superfluous, and they scorned as spurious claims of supernatural revelation. Their tenets stemmed from the rationalism of the period, and though the term is not now generally used, the tenor of their belief persists. The term freethinkers is almost synonymous. Voltaire and J. J. Rousseau were deists, as were Benjamin Franklin, Thomas Jefferson, and George Washington.
See E. R. Pike, Slayers of Superstition (1931, repr. 1970); G. A. Koch, Religion of the American Enlightenment (1933, repr. 1968).
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