axiology
noun
- philosophical study of the nature, types, and criteria of values and of value judgments especially in ethics
Wiktionary
noun
Etymology: From Ancient Greek ἄξιος (áxios, “worthy”) + -λογία (-logía, “study of”).
- The study of value(s), as regards origin, nature, functions, types, and interrelations; value theory.
- The particular value-theory of a philosopher, school of thought, etc.
“In his axiology, G. E. Moore maintains that "good" is the name of a simple, indefinable quality.”