affluent
af·flu·ent
/ˈæfluwənt/ adj [more ~; most ~]
: having a large amount of money and owning many expensive things : rich, wealthy
an affluent country
an affluent suburb/neighborhood/community
affluent families
His family was more affluent than most.
af·flu·ence /ˈæfluwəns/ noun [ noncount ]
They rose from poverty to affluence. [=they were poor and became rich]