What's the adjective for catechumens? Here's the word you're looking for.
Included below are past participle and present participle forms for the
verbs catechize, catechise, categise and categize which may be used as adjectives within certain contexts.
“The teacher must carefully prepare the religion lesson if he wishes to give an accurate and adequate explanation of the catechismal truths.”
“That was called modernism, and it is enshrined in the catechismal hanging of MOMA's permanent collection, from Cézanne to Pollock.”
“The catechismal teaching that taking a life, even an unborn one, is wrong may polarise people into two distinct camps, but it does not encourage the taking of lives.”
catechumenal
Of or pertaining to a catechumen, or to the process and preparation for baptism.
catechetick
Obsolete spelling of catechetic [17th and 18th century]