Stei ‧ ner, Ru ‧ dolf /ˈstaɪnəʳ, ˈruːdɒlf $ -ɑːlf/ BrE AmE
(1861–1925) an Austrian ↑ philosopher who believed that human beings can be trained to develop their ↑ spiritual powers. He is known especially for developing his own system for educating children, and for starting schools, called Steiner schools or Waldorf schools, that use his educational methods.