WordNet sense 1 (showing a high degree of refinement and the assurance that comes from wide social experience):

polished, svelte, urbane

WordNet sense 2 (having or appealing to those having worldly knowledge and refinement and savoir-faire):

sophisticated

WordNet sense 3 (freed from impurities by processing):

processed

WordNet sense 4 (of good upbringing):

well-bred

WordNet sense 5 (excessively delicate or refined):

overrefined

WordNet sense 6 (befitting a woman of good breeding):

ladylike

WordNet sense 7 (befitting a man of good breeding):

gentlemanly

WordNet sense 8 (developed with extreme delicacy and subtlety):

delicate

WordNet sense 9 (having a sophisticated charm):

suave

WordNet sense 10 (marked by refinement in taste and manners):

cultivated, cultured, genteel, polite

WordNet sense 11 (made pure):

sublimate, purified

WordNet sense 12 (free of extraneous elements of any kind):

pure

WordNet sense 13 (suggesting taste, ease, and wealth):

graceful

WordNet sense 14 (characterized by charm, good taste, and generosity of spirit):

gracious

WordNet sense 15 (free from what is tawdry or unbecoming):

neat, tasteful

WordNet sense 16 (refined and tasteful in appearance or behavior or style):

elegant