Pronunciation: (sub-jek'tu-viz"um),[key] —n. 1. Epistemology.the doctrine that all knowledge is limited to experiences by the self, and that transcendent knowledge is impossible.
2. Ethics. a. any of various theories maintaining that moral judgments are statements concerning the emotional or mental reactions of the individual or the community.
b. any of several theories holding that certain states of thought or feeling are the highest good.