IPA: //dʒɛnˈtiːəlɪzəm//
KK: /dʒɛnˈtiːəlɪzəm/
A term or phrase that someone believes is more elegant or polite than a simpler or more common word.
Using 'expectorate' instead of 'spit' is an example of genteelism.
Genteelism → It is formed from "genteel" (from Old French *gentil*, meaning noble or well-bred) and "-ism" (meaning a practice or philosophy). The word "genteelism" refers to the practice or philosophy of being genteel, or exhibiting refined manners and social status.
Think of 'genteel' as representing nobility and refinement, and remember that 'genteelism' is about the practice of maintaining those refined manners.