[ahy-dee-ey-shuh n]


the process of forming ideas or images.

Origin of ideation

First recorded in 1820–30; ideate + -ion Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for ideation

Contemporary Examples of ideation

Historical Examples of ideation

  • 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.

  • The will-power of an individual is dependent upon his ideation.

  • 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.

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

Medicine definitions for ideation




The formation of ideas or mental images.
Related formside•ate′ v.i′de•ation•al adj.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.