doxastic
/ˌdɒksˈæstɪk/Definitions
1. adjective
relating to or characteristic of belief or opinion, especially in relation to knowledge or truth
“The philosopher’s doxastic theory challenged conventional thinking on the nature of reality.”
2. noun
a theory or system of belief, especially one that is held to be true without evidence
“The doxastic of the ancient Greeks had a significant impact on Western philosophy.”