Turnerian

adjective2

1. •
   Of or relating to J. M. W. Turner (circa 1775 – 1851), British Romantic landscape painter, water-colourist, and printmaker.

   • Among them was the “Madonna of the Prairie”—an angelic, idealistic, sunbonneted Euro-American woman, who went west with her family and aided in the Turnerian process of subduing the wilderness. — 2010
2. •
   Of or relating to Frederick Jackson Turner (1861–1932), American historian, known primarily for his frontier thesis.