refined
re-fined
adjective
Made pure or improved by removing unwanted elements or impurities.
"We use refined sugar in our tea."
adjective
Having or showing good taste, education, and sophisticated manners.
"Her refined accent was distinctly British."
Thesaurus
Synonyms: processed, overrefined, effete, finespun, ladylike, mincing, well-bred, civilised, debonaire, twee, delicate, debonair
Antonyms: crude, unprocessed, unrefined