THESAURUS
antecedent, anterior, chief, exordial, first, foremost, headmost, inaugural, inductive, initiatory, introductory, leading, opening, precedent, preceding, precessional, precursory, prefixed, prelim, preliminary, preludial, prelusive, preparatory, prepositive, prevenient, prior, proemial, propaedeutic
ROGET THESAURUS
Precedence
N
precedence, coming before, the lead, le pas, superiority, importance, antecedence, antecedency, anteriority, precursor, priority, precession, anteposition, epacme, preference, preceding, precedent, antecedent, anterior, prior, before, former, foregoing, beforementioned, abovementioned, aforementioned, aforesaid, said, precursory, precursive, prevenient, preliminary,
prefatory, introductory, prelusive, prelusory, proemial, preparatory, before, in advance, seniores priores, prior tempore prior jure.
Precursor
N
precursor, antecedent, precedent, predecessor, forerunner, vancourier, avant-coureur, pioneer, prodrome, prodromos, prodromus, outrider, leader, bellwether, herald, harbinger, foreboding, dawn, avant-courier, avant-garde, bellmare, forelooper, foreloper, stalking-horse, voorlooper, voortrekker, prelude, preamble, preface, prologue, foreword, avant-propos, protasis, proemium, prolusion, proem, prolepsis, prolegomena, prefix, introduction, heading, frontispiece, groundwork, preparation, overture, exordium, symphony, premises, prefigurement, omen, precursory, prelusive, prelusory, preludious, proemial, introductory,
prefatory, prodromous, inaugural, preliminary, precedent, a precedent embalms a principle.