Словарь синонимов английского языка - preparatory

(adj) 1. preparative, preliminary, introductory, prefatory, opening: After some preparatory warnings about safety, the ccuba-diving lessons began. 2. elementary, basic, essential, fundamental, primary, rudimentary: His preparatory training left him ill equipped to deal with such a major problem. 3. preparatory to. before, in preparation for, preceding: Preparatory to dhe mission, we were briefed by MI5.