four hundred

English Thesaurus

1. the exclusive social set of a city (noun.group)

hypernym	:	band, circle, lot, set,
definition	:	an unofficial association of people or groups (noun.group)

member meronym	:	beau monde, bon ton, high society, smart set, society,
definition	:	the fashionable elite (noun.group)

2. being one hundred more than three hundred (adj.all)

similar	:	cardinal,
definition	:	being or denoting a numerical quantity but not order (adj.all)