modernism

noun4

1. •
   Modern or contemporary ideas, thought, practices, etc.
2. •
   Any of several styles of art, architecture, literature, philosophy, etc., that flourished in the 20th century.

   • Penrod is so referential as to be almost a work of postmodernism—assuming Tarkington could have imagined such a thing with modernism itself just beginning to steamroll over him. — 2004
3. •
   Anything that is characteristic of modernity.
4. •
   A religious movement in the early 20th century, condemned as heretical by Pope Pius X, which tried to reconcile Roman Catholic dogma with modern science and philosophy.