'affluent' definitions:

Definition of 'affluent'

(from WordNet)
adjective
Having an abundant supply of money or possessions of value; "an affluent banker"; "a speculator flush with cash"; "not merely rich but loaded"; "moneyed aristocrats"; "wealthy corporations" [syn: affluent, flush, loaded, moneyed, wealthy]
noun
An affluent person; a person who is financially well off; "the so-called emerging affluents"
noun
A branch that flows into the main stream [syn: feeder, tributary, confluent, affluent] [ant: distributary]

Synonyms of 'affluent'

From: Moby Thesaurus