Sentence:  ... and of course she has the "most" <WSD>Belgravian</WSD> connection, my dear she's ushered "half" the peerage onto the planet, so that what I don't know about the insides of the aristocracy and their "habits" in the home, ... 
Meaning of the word marked with <WSD> tags:  Of or pertaining to the fashionable or aristocratic life; fashionable, aristocratic.