Английский разговорный словарь (основной) - preparatory

prɪˈpærətərɪ adj. & adv. --adj. (often foll. by to) serving to prepare; introductory. --adv. (often foll. by to) in a preparatory manner (was packing preparatory to departure). øpreparatory school a usu. private school preparing pupils for a higher school or US for college or university. øøpreparatorily adv. [ME f. LL praeparatorius (as PREPARE)]