refinement

noun

1.
a highly developed state of perfection; having a flawless or impeccable quality
cultivation culture finish polish
Derived from:
refine
2.
the result of improving something
elaboration
Derived from:
refine
3.
the process of removing impurities (as from oil or metals or sugar etc.)
purification refining
Derived from:
refine
4.
a subtle difference in meaning or opinion or attitude
nicety nuance shade subtlety
Derived from:
refine
5.
the quality of excellence in thought and manners and taste
civilisation civilization