Synonyms of the word

couth

• adj. (obsolete) known, renowned.
• v. (obsolete except in adjective use) past participle of can.
• adj. Marked by or possessing a high degree of sophistication; cultured, refined.
• n. Social grace, sophistication; manners; refinement.

refined

• v. simple past tense and past participle of refine.
• adj. Precise, freed from imprecision, particularly.
• adj. Cultured, freed from vulgarity, particularly.
• adj. Purified, reduced in or freed from impurities, particularly.
• adj. (of a market) Dealing in a refined product such as sugar or petroleum.
• n. (finance) The refined form of a commodity, as opposed to its raw or generic form.