Synonyms and related words :
ancestress, announcer, antecedent, ascendant, avant-garde, begetter, bellwether, buccinator, bushwhacker, explorer, forebear, forefather, foregoer, forerunner, front runner, frontiersman, fugleman, grandparent, groundbreaker, guide, harbinger, herald, innovator, lead runner, leader, messenger, parent, pathfinder, pioneer, point, precedent, precursor, predecessor, premise, primogenitor, procreator, progenitor, progenitress, progenitrix, prototype, scout, stormy petrel, trailblazer, trailbreaker, vanguard, vaunt-courier, voortrekker