List of preparatory synonyms and preparatory related words.
antecedent, anterior, basic, before, chief, elementary, essential, exordial, first, foremost, fundamental, headmost, in preparation for, inaugural, inductive, initiatory, introductory, leading, opening, precedent, preceding, precessional, precursory, prefatory, prelim, preliminary, preludial, prelusive, preparative, prerequisite, prevenient, primary, prior, proemial, propaedeutic, provident, provisional, rudimentary