lady

(noun) a polite name for any woman. Example: "A nice lady at the library helped me."

(noun) a woman of refinement. Synonyms: dame, madam, ma'am, gentlewoman. Example: "A chauffeur opened the door of the limousine for the grand lady."

(noun) a woman of the peerage in Britain. Synonyms: Lady, noblewoman, peeress.