1. Generously supplied with money, property, or possessions; prosperous or rich. See synonyms at rich. 2. Plentiful; abundant. 3. Flowing freely; copious.
NOUN:
1. A stream or river that flows into a larger one; a tributary. 2. A person who is well-off financially: the so-called emerging affluents (Leslie Tweeton).
ETYMOLOGY:
Middle English, abundant, flowing, from Old French, from Latin affluns, affluent-, present participle of affluere, to abound in : ad-, ad- + fluere, to flow; see bhleu- in Appendix I.