from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. The belief, based solely on reason, in a God who created the universe and then abandoned it, assuming no control over life, exerting no influence on natural phenomena, and giving no supernatural revelation.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A philosophical belief in the existence of a god (or goddess) knowable through human reason; especially, a belief in a creator god unaccompanied by any belief in supernatural phenomena or specific religious doctrines.

from the GNU version of the Collaborative International Dictionary of English

  • n. The doctrine or creed of a deist; the belief or system of those who acknowledge the existence of one God, but deny revelation.

from The Century Dictionary and Cyclopedia

  • n. The doctrine that God is distinct, and separated from the world. See deist, 1.
  • n. Belief in the existence of a personal God, accompanied with the denial of revelation and of the authority of the Christian church.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. the form of theological rationalism that believes in God on the basis of reason without reference to revelation


French déisme, from Latin deus, god.
(American Heritage® Dictionary of the English Language, Fourth Edition)
From Latin deus ("god, deity") +‎ -ism. (Wiktionary)



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