This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

adj. Pertaining to an ideograph or ideography.

adj. Of or pertaining to an ideogram; representing ideas by symbols, independently of sounds.

Representing ideas directly, and not through the medium of their names: applied specifically to that mode of writing which, by means of symbols, figures, or hieroglyphics, suggests the idea of an object without expressing its name.

In phonetics, pertaining to or composed of ideograms.

adj. of or relating to or consisting of ideograms

"The symbolical, or tropical (by Bunsen termed ideographic), substituted one object for another, to which it bore an analogy, as heaven and a star expressed night; a leg in a trap, deceit; two arms stretched towards heaven expressed the word offering; a censer with some grains of incense, adoration; a bee was made to signify Lower"

ideographical   

content    demotic    post-installation    o'ergrown    orthographic