Noun
A social and economic demographic, commonly identified as part of the upper middle class.
(in the plural) The groups in society composed of highly educated professionals.
Source: en.wiktionary.orgWriters take words seriously-perha ps the last professional class that does-and they struggle to steer their own through the crosswinds of meddling editors and careless typesetters and obtuse and malevolent reviewers into the lap of the ideal reader. John Updike