the mind > mental capacity > belief > expressed belief, opinion > extreme opinion, dogmatism > fanaticism > [noun] > instance of (2)
The tendency to indulge in wild and extravagant notions, esp. in religious matters; excessive enthusiasm, frenzy; an instance, a particular form, of…
Behaviour or belief characteristic or typical of a zealot; esp. immoderate or fanatical devotion to a religious or political cause or ideal. Also…