Definition of Restitutionism in English:
Restitutionism
noun ˌrɛstɪˈtjuːʃ(ə)nɪz(ə)mˌrɛstɪˈtʃuːʃ(ə)nɪz(ə)m
historical Belief in the ‘restitution of all things’; = "restorationism".
Origin
Mid 19th century; earliest use found in Universalist Union. From restitution + -ism.