nobleman(n = noun.person) lord, noble - a titled peer of the realm;
is a kind of male aristocrat
has particulars: armiger, baron, burgrave, count, duke, grandee, margrave, marquess, marquis, mesne lord, milord, palatine, palsgrave, peer, sire, thane, viscount, don juan, mortimer, roger de mortimer
Antonym: noblewoman
One of the nobility; a noble; a peer; one who enjoys rank above a commoner, either by virtue of birth, by office, or by patent. [1913 Webster]
nobleman, n. (pl. -men) a man of noble rank or birth, a peer.
N nobility, rank, condition, distinction, optimacy, blood, pur sang, birth, high descent, order, quality, gentility, blue blood of Castile, ancien regime, high life, haute monde, upper classes, upper ten thousand, the four hundred, elite, aristocracy, great folks, fashionable world, peer, peerage, house of lords, house of peers, lords, lords temporal and spiritual, noblesse, noble, nobleman, lord, lordling, grandee, magnifico, hidalgo, daimio, daimyo, samurai, shizoku, don, donship, aristocrat, swell, three- tailed bashaw, gentleman, squire, squireen, patrician, laureate, gentry, gentlefolk, squirarchy, better sort magnates, primates, optimates, pantisocracy, king, atheling, prince, duke, marquis, marquisate, earl, viscount, baron, thane, banneret, baronet, baronetcy, knight, knighthood, count, armiger, laird, signior, seignior, esquire, boyar, margrave, vavasour, emir, ameer, scherif, sharif, effendi, wali, sahib, chevalier, maharaja, nawab, palsgrave, pasha, rajah, waldgrave, princess, begum, duchess, marchioness, countess, lady, dame, memsahib, Do$a, maharani, rani, personage of distinction, man of distinction, personage of rank, man of rank, personage of mark, man of mark, notables, notabilities, celebrity, bigwig, magnate, great man, star, superstar, big bug, big gun, great gun, gilded rooster, magni nominis umbra, every inch a king, noble, exalted, of rank, princely, titled, patrician, aristocratic, high-, well-born, of gentle blood, genteel, comme il faut, gentlemanlike, courtly, highly respectable, in high quarters, Adel sitzt im Gemuthe nicht im Gebluete, adelig und edel sind zweierlei, noblesse oblige.