D defs.my
Entry 1 sense Webster, 1913

Ideation

/īdˌ-ē-āsh'-ən/ · I·de·a·tion · IPA /ˌaɪ.diˈeɪ.ʃən/
01 n. The faculty or capacity of the mind for forming ideas; the exercise of this capacity; the act of the mind by which objects of sense are app…
  1. 1.
    The faculty or capacity of the mind for forming ideas; the exercise of this capacity; the act of the mind by which objects of sense are apprehended and retained as objects of thought.
    “The whole mass of residua which have been accumulated . . . all enter now into the process of ideation.” — J. D. Morell.