1) Instruction 2) Oral religious instruction 3) Pedagogy 4) Teaching 
Religious instruction and formation for persons preparing for baptism (catechumens) and for the faithful in various stages of spiritual development.
Catechesis (s; from Greek: κατήχησις, `instruction by word of mouth`, generally `instruction`) is basic Christian religious education of children and adult converts to Christianity. As defined in the Catechism of the Catholic Church, paragraph 5 (quoting John Paul II, Apostolic Exhortation Catechesi tradendae 18): Catechesis is an edu...
(from the article `Diadochus Of Photice`) ...appeared also in his `Homily on the Ascension.` He responded to the problem of pantheistic interpretation of Christian mysticism in his Horasis ...(from the article `kerygma and catechesis`) in Christian theology, respectively, the initial proclamation of the gospel message and the oral instruction given before baptism to those who have ... By the 3rd century at the latest, it was normal for two to three years to elapse before an initial inquirer into the gospel might eventually b...
Education in the faith. Christian, integral and fundamental formation the purpose of which is the confession of faith
religious instruction and formation for persons preparing for baptism and for the faithful in various stages of spiritual development.
[n] - oral religious instruction (as before baptism or confirmation)
catechesis (singular)
noun oral religious instruction (as before baptism or confirmation)