fideism

noun

fi·​de·​ism ˈfē-(ˌ)dā-ˌi-zəm 

: reliance on faith rather than reason in pursuit of religious truth

fideist

ˈfē-ˌdā-ist 

noun

fideistic

ˌfē-(ˌ)dā-ˈi-stik 

adjective

Word History

Etymology

borrowed from French fidéisme, from Latin fidēs "trust, belief, faith" + French -isme -ism — more at faith entry 1

First Known Use

1885, in the meaning defined above