gentleman

1 a man of high birth or social position many of the signers of the Declaration of Independence were gentlemen who were risking everything Synonyms grandee, lord, milord, nobleman, peer Related Words country gentleman, squire; cavalier, chevalier, knight; don, hidalgo, nabob, nawab, seigneur, seignior, sheikh (or sheik); baron, baronet, count, duke, earl, esquire, marchese, margrave, marquess (or marquis), master, prince, princelet, princeling, raja, viscount; lordship, sire [archaic] Near Antonyms boor, churl, cottar (or cotter), fellah, peasant, peon; commoner, pleb, plebeian; proletarian; toiler

2 an adult male human being ladies and gentlemen, please take your seats Synonyms bastard, bloke [chiefly British], buck, cat, chap [chiefly British], chappie [British], dude, fella, fellow, galoot [slang], gent, man, guy, hombre, jack, joe, joker, lad, maleRelated Words master, mister, sir; buddy, buster

3 an honorable and courteous man was such a gentleman that he offered to call a cab for me Synonyms cavalierRelated Words Galahad, knight, prince; beau, Beau Brummell, blade, blood, buck, dandy, dude, fop, gallant, jay, petit-maître; captivator, charmer, ladies' man (also lady's man), smoothy (or smoothie); aristocrat, patrician, swell, toff [chiefly British]