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8 Words That Are Older Than You Think

ideation

[ahy-dee-ey-shuh n] /ˌaɪ diˈeɪ ʃən/
noun
1.
the process of forming ideas or images.
Origin
1820-1830
1820-30; ideate + -ion
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for ideation
  • If this is a severe enough depression, it could include suicidal ideation.
  • The curriculum involves the entire design process, from ideation to construction.
  • The rumination of depression is irrational, paranoid and morbid to the point of suicidal ideation and suicidal attempts.
  • There is so much irrational ideation and even paranoia that seems to be involved.
  • His symptoms were chiefly auditory hallucination and paranoid ideation.
  • Also, look for change agents that generate robust ideation.
Word Origin and History for ideation
n.

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)
n.
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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