A short polite conversation before the serious conversation(noun)
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Use "pleasantries" in a sentence
"He exchanged brief pleasantries with T’Pel and Sek—if the word pleasantries could apply to conversation with Vulcans—and was introduced to the father and brother of T’Ral, the ship’s nurse, and the fiancée and parents of Vorik, one of the ship’s engineers."
"Early meetings were characterized by pleasantries and a distinct lack of debate."
"Why must the fair sister get to speak in pleasantries?"