ideo-

(Greek: idea, form, appearance; class, species, model; general principle)

ideophone
A sound or group of sounds denoting an idea, i.e. a spoken word.
ideophonous
Relating to spoken words as sounds denoting ideas.
ideophrenia
ideoplastic
Art as it is known to be, not actual.
ideopolis (igh dee AWP uh lis; id ee AWP uh lis), ideopolises (pl)
A postindustrial metropolitan area dominated by knowledge-based industries and institutions; such as, universities and research hospitals.

Literally, "idea city", it was coined by John B. Judis and Ruy Teixeira, authors of The Emerging Democratic Majority.

ideosphere
The area where thoughts, theories, and ideas are thought to be created, evaluated, and evolved.

The internet, books, and other media are considered to be part of the ideosphere.

Inter-related cross references, directly or indirectly, involving word units dealing with "form, shape, appearance": eido-; figur-; form-; icono-; imag-; morpho-; -oid; typo-.