aste(r)perious

[Jonathon Green]

Surely

astorperious: arrogant, haughty.

This reflects the position of the Astor family, especially is grander,
female members, and is part of a group which includes 'Mrs' or 'Miss
Astor': an overdressed, showy woman; the (self-proclaimed) leader of a
community; 'Astorbilt' (which brings in the Vanderbilts): one who
considers themself a cut above their peers; one who dresses
ostentatiously; a member of high society. 'Mrs. Astor's per horse/poodle':
an arrogant, haughty or over-dressed/made-up woman.

Jonathon Green