Seignior

(n.) A title of honor or of address in the South of Europe, corresponding to Sir or Mr. in English.

Thesaurus Entries

Brahman, archduke, armiger, baron, baronet, blue blood, count, daimio, duke, earl, esquire, gentleman, grand duke, grandee, hidalgo, lace-curtain, laird, landgrave, lord, lordling, magnate, magnifico, margrave, marquis, noble, nobleman, optimate, palsgrave, patrician, peer, seigneur, seignior, silk-stocking, squire, swell, thoroughbred, upper-cruster, viscount, waldgrave