Synonyms:
- agent,
- alterant,
- alterative,
- alterer,
- ancestor,
- announcer,
- antecedent,
- architect,
- author,
- avant-garde,
- bellwether,
- buccinator,
- bushwhacker,
- catalyst,
- catalytic agent,
- creator,
- developer,
- explorer,
- ferment,
- forebear,
- foregoer,
- forerunner,
- front runner,
- frontiersman,
- fugleman,
- groundbreaker,
- guide,
- harbinger,
- herald,
- innovationist,
- introducer,
- inventor,
- lead runner,
- leader,
- leaven,
- maker,
- messenger,
- modificator,
- modifier,
- original,
- originator,
- pathfinder,
- pioneer,
- point,
- precedent,
- precursor,
- predecessor,
- producer,
- scout,
- stormy petrel,
- trailblazer,
- trailbreaker,
- transformer,
- transmogrifier,
- vanguard,
- vaunt-courier,
- voortrekker,
- yeast