catechize

/ˈkætɪkaɪz/

IPA: /K AE1 T AH0 K IH0 Z/

verb
  1. 1

    To give oral instruction, especially of religion; now specifically by the formal question-and-answer method; in the Church of England, to teach the catechism as preparation for confirmation.

  2. 2

    To question at length.

Source: https://en.wiktionary.org/wiki/catechize