Politesse
/ˌpɑːlɪˈtes/
Definition 1 of 1
Pro Tip 1/3Cultural Nuance
'Politesse' often implies a more formal or sophisticated level of manners than everyday politeness. 
His politesse was evident when he elegantly excused himself from the table.
Pro Tip 2/3Formal Contexts
Use 'politesse' in contexts such as formal events, diplomatic affairs, or when discussing etiquette. 
During the gala, her politesse was noticed by everyone as she greeted the ambassadors.
Pro Tip 3/3Not Just Words
'Politesse' includes actions and behavior, not just polite language. 
Offering a seat to an elderly person is an act of politesse.