aesthetic

nouns

(philosophy) a philosophical theory as to what is beautiful
"he despised the esthetic of minimalism"

adjectives

relating to or dealing with the subject of aesthetics
"aesthetic values"
pertains to
concerning or characterized by an appreciation of beauty or good taste
"the aesthetic faculties"; "an aesthetic person"; "aesthetic feeling"; "the illustrations made the book an aesthetic success"
antonym
aesthetically pleasing
"an artistic flower arrangement"