Question

aesthetic
aes·thet·ic
I
 ( also US   es·thet·ic) /ɛsˈθɛtık, Brit iːsˈθɛtık/  adj  
  : of or relating to art or beauty
   There are practical as well as aesthetic reasons for planting trees.
   the statue's aesthetic [=artistic] beauty
   making aesthetic improvements to the building
   aesthetic values/ideals
  aes·thet·i·cal·ly ( also US   es·thet·i·cal·ly) /ɛsˈθɛtıkli, Brit iːsˈθɛtıkli/  adv  
   the garden's aesthetically pleasing design
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aes·thet·ic
II
 ( also US   es·thet·ic)  noun  ,  pl   -ics
  1 [  count  ] : a set of ideas or opinions about beauty or art
  — usually singular
   The design of the building reflects a modern/traditional/old-fashioned aesthetic.
  2 aesthetics
  2 a [  noncount  ] : the study of beauty especially in art and literature
   Aesthetics is an important part of Greek philosophy.
  2 b [  plural  ] : the artistic or beautiful qualities of something
   the aesthetics of the gemstones
  aes·thet·i·cism ( also US   es·thet·i·cism) /ɛsˈθɛtəˌsızəm, Brit iːsˈθɛtəˌsızəm/  noun   [  noncount  ]
   the aestheticism of the region