i Register
In some senses, affluent is marked as dated, obsolete. Watch for register when choosing this word.
noun
Someone who is wealthy.
The affluents are most similar to the professional want-it-alls in their reasons for preferring specific hospitals and in their demographic characteristics.
A stream or river flowing into a larger river or into a lake; a tributary stream; a tributary.
It [Central Asia] is separated from the river-system of the Aral and Caspian Seas, […] from the affluents of the Indus and Ganges, on the south, by the chain of the Küen-lün, the rival of the Himalayas, […]
Its sources are everywhere in pine-clad mountains and plateaus, but all of the affluents quickly descend into the desert valley below, through which the Gila winds its way westward to the Colorado.
adj
Abundant; copious; plenteous.
The shores are affluent in beauty, and incomparably lovely is the drive to the heights of Castel-a-Mare.
Abounding in goods or riches; having a moderate level of material wealth.
They were affluent, but aspired to true wealth.
The Upper East Side is an affluent neighborhood in New York City.
Tributary.
Flowing to; flowing abundantly.
affluent blood