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[ahy-dee-ey-shuh n] /ˌaɪ diˈeɪ ʃən/
the process of forming ideas or images.
Origin of ideation
First recorded in 1820-30; ideate + -ion Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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Examples from the Web for ideation
Contemporary Examples
Historical Examples
  • If it be present, the ideation and explicit judgment may be dispensed with.

    The Value of Money Benjamin M. Anderson, Jr.
  • We have already seen that our ideation has the self for center and point of reference.

    Criminal Psychology Hans Gross
  • The will-power of an individual is dependent upon his ideation.

    Freedom Talks No. II Julia Seton
  • The suppression extends over the unconscious ideation, because the liberation of pain might emanate from the ideation.

    Dream Psychology Sigmund Freud
  • Up to this time his talent and capabilities had outstripped his powers of ideation.

    Modern Painting, Its Tendency and Meaning Willard Huntington Wright
  • Let us, then, examine in what measure this separation between perception and ideation can be legitimately established.

    The Mind and the Brain

    Alfred Binet
  • It is the limited, inhibited conception of sex that vitiates so much of the thought and ideation of the Eugenists.

    The Pivot of Civilization Margaret Sanger
  • Reality is a function of the senses or of ideation; truth is a function of reasoning or of the reason.

    The Mind and the Brain

    Alfred Binet
  • They reach the will through the inside, in the realm of ideation, and not from the outside, in the way of domination.

Word Origin and History for ideation

1829; see idea + -ation. Related: Ideational.

As we say Sensation, we might say also, Ideation; it would be a very useful word; and there is no objection to it, except the pedantic habit of decrying a new term. [James Mill, "Analysis of the Phenomena of the Human Mind," London, 1829]

Online Etymology Dictionary, © 2010 Douglas Harper
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ideation in Medicine

ideation i·de·a·tion (ī'dē-ā'shən)
The formation of ideas or mental images.

i'de·ate' v.
i'de·a'tion·al adj.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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