THESAURUS
antecedent
agency, ancestor, ancestors, announcer, antecede, antecedents, antedate, anterior, anticipatory, ascendant, ascendants, avant-garde, base, basis, bellwether, buccinator, bushwhacker, call, causation, cause, cause and effect, chief, ci-devant, determinant, determinative, earlier, early, elder, elders, element, etiology, exordial, explorer, factor, fathers, first, fore, forebear, forebears, forefather, forefathers, foregoer, foregoing, foremost, forerun, forerunner, former, front runner, frontiersman, fugleman, grandfathers, grandparents, ground, groundbreaker, grounds, guide, harbinger, heading, headmost, herald, inaugural, initiatory, innovator, instrumentality, lead runner, leader, leading, means, messenger, occasion, older, pace, past, pathfinder, patriarchs, pioneer, point, precedent, preceding, precessional, precurrent, precursor, precursory, predate, predecessor, predecessors, preexistent, prefatory, preliminary, preludial, prelusive, premise, preparatory, prevenient, previous, prime, primogenitor, principle, prior, proemial, progenitor, progenitors, propaedeutic, prototype, reason, scout, senior, stimulus, stormy petrel, trailblazer, trailbreaker, vanguard, vaunt-courier, voortrekker
ROGET THESAURUS
antecedent
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.
Priority
N
priority, antecedence, anteriority, precedence, pre-existence, precession, precursor, the past, premises, prior, previous, preceding, precedent, anterior,
antecedent, pre- existing, pre-existent, former, foregoing, aforementioned, before- mentioned, abovementioned, aforesaid, said, introductory, before, prior to, earlier, previously, afore, aforehand, beforehand, ere, theretofore, erewhile, ere then, ere now, before then, before now, erewhile, already, yet, beforehand, on the eve of, prior tempore prior jure.