Etiquette in English refers to the proper rules agreed upon and manners for a particular setting. (Gold etiquette, table etiquette, relationship etiquette) Courtesy refers to the act of considering others when making decisions. In an airplane toilet, you might see "As a common courtesy, please wipe the sinks before the next passenger enters the cabin" Pleasantry (French: plaisenterie) is playful joking or banter.
New words, one handy idiom, and a 2-minute quiz — delivered to your inbox to keep your streak alive.