Elegance, refined taste, or aesthetic sensibility—an appreciation for tasteful or tasteful antiquated charm (often associated with traditional Japanese aesthetics).
彼は古い茶室の静けさに風流を感じた。
He felt a sense of refined taste in the quiet of the old tea room.
日本の風流な文化は季節の移ろいを大切にする。
Japanese refined aesthetics value the changing of the seasons.
その詩人の言葉には古風で風流な響きがある。
The poet's words have an old-fashioned, tasteful ring to them.