[医] 观念作用, 思想作用

[ noun ]
the process of forming and relating ideas
<noun.cognition>

Ideation \I`de*a"tion\, 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 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.