polish, refinement, culture, cultivation, finish -- (a highly developed state of perfection; having a flawless or impeccable quality; "they performed with great polish"; "I admired the exquisite refinement of his prose"; "almost an inspiration which gives to all work that finish which is almost art"--Joseph Conrad)
refinement, elaboration -- (the result of improving something; "he described a refinement of this technique")
refining, refinement, purification -- (the process of removing impurities (as from oil or metals or sugar etc.))
nuance, nicety, shade, subtlety, refinement -- (a subtle difference in meaning or opinion or attitude; "without understanding the finer nuances you can't enjoy the humor"; "don't argue about shades of meaning")
refinement, civilization, civilisation -- (the quality of excellence in thought and manners and taste; "a man of intellectual refinement"; "he is remembered for his generosity and civilization")
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