Definition of occasionalist in English:
occasionalist
noun
Philosophy. An adherent or proponent of occasionalism.
Origin
Early 18th century (in an earlier sense). From occasional [noun] + -ist.
Pronunciation
occasionalist
/əˈkeɪʒ(ə)nəlɪst//əˈkeɪʒ(ə)n(ə)lɪst//əˈkeɪʒən(ə)lɪst/