Edwardian
Of, relating to, or charactersitic of the reign or person of several kings of England named Edward, especially Edward VII [1901-1910], during whose reign the styles and views of the cultured were generally regarded as opulent, ornate, overrefined, and pompous.
-- William Morris, editor, 1973
The American Heritage Dictionary of the English Language
Houghton Mifflin Co., Boston/New York