- the branch of philosophy dealing with such notions as the beautiful, the ugly, the sublime, the comic, etc., as applicable to the fine arts, with a view to establishing the meaning and validity of critical judgments concerning works of art, and the principles underlying or justifying such judgments.
- the study of the mind and emotions in relation to the sense of beauty.
- the branch of philosophy concerned with the study of such concepts as beauty, taste, etc
- the study of the rules and principles of art
