polite
refined
ceremonial
ceremonious
complaisant
conventional
correct
courteous
decorous
genteel
good-mannered
hieratic
liturgic
mannerly
pompous
ritual
ritualistic
sacerdotal
solemn
stately
well-behaved
well-bred
well-spoken
affable
debonair
distinguished-looking
fine-looking
gentlemanly
good-looking
good-tempered
likable
mannered
nice-looking
personable
self-possessed
soft-spoken
sweet-tempered
tractable
unassuming
well-born
well-dressed
well-educated
well-informed
well-read