Source : Webster's Revised Unabridged Dictionary (1913)

Catechetic \Cat`e*chet"ic\, Catechetical \Cat`e*chet"ic*al\, a.
   [Gr. ?. See {Catechise}.]
   Relating to or consisting in, asking questions and receiving
   answers, according to the ancient manner of teaching.

         Socrates introduced a catechetical method of arguing.
                                                  --Addison.

Source : WordNet®

catechetical
     adj : of or relating to or involving catechesis [syn: {catechetic}]