nobleman, noble, peer, patrician, lord, duke, baron, baronet, earl, count, viscount, marquess, marquis, prince, noblewoman, lady, peeress, duchess, marchioness, viscountess, countess, baroness, marquise, princess, knight, chevalier, titled person, person of fashion, member of the ruling class, thoroughbred, optimate, grandee, don, hidalgo, hereditary noble, king, duke, viscount, count, emperor, empress, Graf (German), magnifico, blue blood*, silk-stocking*, swell*; see also king 1, lady 3, lord 2, queen, royalty.
Antonyms citizen*, commoner, proletarian.