Ideology

I`de*ol"o*gy (?), n. [Ideo- + -logy: cf. F. idéologie.] 1. The science of ideas. Stewart.

2. (Metaph.) A theory of the origin of ideas which derives them exclusively from sensation.

☞ By a double blunder in philosophy and Greek, idéologie . . . has in France become the name peculiarly distinctive of that philosophy of mind which exclusively derives our knowledge from sensation. Sir W. Hamilton.