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[pleyt-n-iz-uh m] /ˈpleɪt nˌɪz əm/
the philosophy or doctrines of Plato or his followers.
a Platonic doctrine or saying.
the belief that physical objects are impermanent representations of unchanging Ideas, and that the Ideas alone give true knowledge as they are known by the mind.
(sometimes lowercase) the doctrine or practice of platonic love.
Origin of Platonism
From the New Latin word Platōnismus, dating back to 1560-70. See Platonic, -ism
Related forms
Platonist, noun, adjective
anti-Platonism, noun
anti-Platonist, noun, adjective Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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British Dictionary definitions for Platonism


the teachings of Plato and his followers, esp the philosophical theory that the meanings of general words are real existing abstract entities (Forms) and that particular objects have properties in common by virtue of their relationship with these Forms Compare nominalism, conceptualism, intuitionism
the realist doctrine that mathematical entities have real existence and that mathematical truth is independent of human thought
Derived Forms
Platonist, noun
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for Platonism

1560s, from Plato (see Platonic) + -ism.

Online Etymology Dictionary, © 2010 Douglas Harper
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Platonism in Culture
Platonism [(playt-n-iz-uhm)]

The philosophy of Plato, or an approach to philosophy resembling his. For example, someone who asserts that numbers exist independently of the things they number could be called a Platonist.

The New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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