What is another word for "precursive"?

Roget's Thesaurus (1911) lists these synonyms for "precursive": advance, aforementioned, aforesaid, antecedence, antecedency, antecedent, anteposition, anterior, anteriority, ball, before, come, coming, dance, fashion, first, former, front, get, have, head, importance, influence, introduce, introductory, lead, open, pas, place, precede, precedence, precedent, preceding, precession, precursor, precursory, preface, prefatory, preference, prefix.