[cat.e.chize] vt -chized ; -chiz.ing [LL catechizare, fr. Gk katechein to teach, lit., to din into, fr. kata- cata- + echein to resound, fr. eche sound--more at echo] (15c) 1: to instruct systematically esp. by questions, answers, and explanations and corrections; specif: to give religious instruction in such a manner
2: to question systematically or searchingly -- cat.e.chi.za.tion n -- cat.e.chiz.er n