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Belief in the existence of a god or gods, especially belief in a personal God as creator and ruler of the world.
the·is′tic, the·is′ti·cal adj.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.