polite language

always

not ... at all

even if ...,...cannot

manners

(physically) true, straight, unwarped, unskewed, proper / (abstractly) correct, right, true

(uncommon, dialect) factual, true, correct, accurate / (uncommon, dialect) genuine, real / (uncommon, dialect) actual, real, certain

very, exceedingly, awfully / (before a negative form) not at all, at all, by no means

to use / to employ / to make use of, to apply / to spend

politeness, courteousness / care