courtlike
politesome
politely
courteously
superpolite
mannerly
courtesy
superpoliteness
civilly
politeness
genteel
I'd like to know
mannerliness
broughtupsy
amiably
manner
good manners
civil tongue
regardfully
snarkless
decency
kindlily
overpolite
over-polite
very good
civility
gentle-heartedly
amicably
pleasantry
gracious
welcomely
notice
welcomingly
gentle
behave oneself
behave
couth
sure thing
friendliness
kindheartedly
couthie
unctuous
salonfähig
courteous
warm-hearted
nice
respectfully
keep a civil tongue in one's head
friendlyish
soft