mystagogy
Noun
Meaning
The doctrines, principles, or practice of a mystagogue; interpretation of mysteries.
Source: Webster's dictionaryExamples
Et Introibo Ad Altare Dei: The Mystagogy of Dionysius Areopagita, with Special Reference to Its Predecessors in the Eastern Christian Tradition.
The Period of Post Baptismal Catechesis or Mystagogy is a time of adjustment for those who just entered the Church or those who are fully initiated.