bon ton

Borrowed from French bon ton (literally “good tone”).

bon ton (uncountable)

1. (dated) The height of fashion; fashionable society.
   • 1839, The Quarterly Review‎^[1], volume 64, page 555:

     This part of the proposition is very popular, particularly with the higher and middle classes, because it is the fashion, and a mark of bon ton, to enclose one's letter in an envelope, even though, or perhaps because, it subjects it to double postage.

• ton

• “bon ton”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.

Unadapted borrowing from French bon ton (literally “good tone”).

bon ton m (invariable)

1. sophistication, fashionability
   • 2007, Laila Waida., Amiche per la pelle:

     Lula è la nostra maestra di bonton; cerca di renderci più sofisticate.

     (please add an English translation of this quotation)

Unadapted borrowing from French bon ton.

• IPA^(key): /ˈbɔw̃ ˈtɔw̃/

• Audio:

  (file)

• Syllabification: [please specify syllabification manually]

bon ton m inan

1. (literary) savoir-vivre

   Synonym: savoir-vivre

or

Indeclinable.

• bon ton in Wielki słownik języka polskiego, Instytut Języka Polskiego PAN
• bon ton in Polish dictionaries at PWN