Synonyms of polite

1 Syllable
prim, preux
2 Syllables
primmer, social, gallant, decent, blue-nose, kindly, brahmin, humblest, tactful, knightly, stoner, humbler, high-bred, pleasant, pleasing, cordial, ducky, nicest, high-brow, thoughtful, gracious, cleanlier, grouper, courteous, courtly, duckier, kindlier, genteel, nicer, well-bred
3 Syllables
spic-and-span, affable, decorous, warmhearted, complaisant, upper-crust, blue-stocking, fair-spoken, well-wishing, bonhomous, reverent, red-carpet, urbane, chivalrous, suave, cultured, respectful, bluenose, refined, societal, obliging
4 Syllables
unimposing, reverential, ladylike, overmodest, deferential, well-mannered, well-behaved, good-mannered, gentlemanly, diplomatic, copacetic, simpatico, amicable
5 Syllables
considerate, supplicatory, complimentary, encomiastical, gentlemanlike, accommodating