Definition of episcopalianism in English:

episcopalianism

noun

See episcopalian

‘However, I think his son converted to episcopalianism (if that can be called a ‘conversion’).’
‘Anglican High Churchmen referred - sometimes enviously - to the relative autonomy of non-established Scottish episcopalianism.’

Pronunciation

episcopalianism

/ɪpɪskəˈpeɪlɪənɪz(ə)m/