Which word describes a characteristic appreciation of beauty or good taste?

The word that describes a characteristic appreciation of beauty or good taste is "aesthetic." This term pertains to the principles and appreciation of beauty and taste and is commonly associated with the arts and how individuals perceive and interpret beauty in various forms, including visual art, music, and literature. An aesthetic perspective often involves an emotional response to beauty or a deep understanding of what constitutes artistic merit.

In contrast, the other words do not convey the same meaning. "Affectation" refers to behavior that is artificial or designed to impress others, lacking the genuine appreciation implied in aesthetic. "Ambience" describes the atmosphere or the environment of a space, which does not relate directly to the appreciation of beauty. "Aggregate" refers to a collection or total of items or elements, which also does not capture the essence of appreciating beauty or taste. Thus, "aesthetic" stands out as the word that accurately reflects a deep-seated appreciation of beauty or good taste.