catechetical
/ˌkætɪˈkɛtɪkəl/Definitions
1. adjective
relating to or used in catechesis, or the instruction of children in the principles of religion, especially Christianity.
“The catechetical teachings of the priest helped the children understand the teachings of the Bible.”
2. adverb
in a catechetical manner
“She delivered her speech in a catechetical way, explaining each point clearly.”