to do one's best to be as proper and polite as one is capable of

to speak in a manner that is not inappropriate, vulgar, or offensive

to make sure to behave appropriately and politely

as polite and well-mannered as one can be

(of people, their words, or behavior) not offensive to people of different races, ethnicities, genders, etc.

behavior that is acceptable and considered to be appropriate within a certain setting

to try to behave in the best way possible so as to make a good impression or gain approval

to behave in an overly polite and formal manner

used to tell a person that they should talk in a way that is not rude, vulgar, or offensive

to forgive one's use of vulgar or offensive words

said of something that is done only for the sake of formality or just to keep up appearances

to accompany a guest, visitor, etc. to the exit of a room or building

to speak in a manner marked by politeness and dignity

to choose words carefully so as to avoid offense or give an impression different from the truth

to deliberately hold back or lessen the force or impact of one's actions, often to avoid causing harm or offense