URBANE

sophisticated

refined

elegant

showing a high degree of refinement and the assurance that comes from wide social experience
SYN - polished, refined, svelte
"maintained an urbane tone in his letters"

"He was urbane and as far from the boorish personalities that he went up against as possible."

"She had worked for years on perfecting this urbane manner that could make her seem rich even though she wasn't."

"The man never let up, he did everything elegantly and sophisticated, he could make sitting on the shitter look urbane."