Harbinger

1. (n.) A forerunner; a precursor; a messenger; as warmer weather is a harbinger of the vacation season.

2. (n.) One who provides lodgings; especially, the officer of the English royal household who formerly preceded the court when traveling, to provide and prepare lodgings.

3. (v. t.) To usher in; to be a harbinger of.

Thesaurus Entries

Gabriel, ancestor, announce, announcer, antecedent, augury, avant-garde, bellwether, buccinator, buccinator novi temporis, bushwhacker, evangel, evangelist, explorer, forebear, foregoer, forerun, forerunner, foreshadower, foreshow, foretoken, front runner, frontiersman, fugleman, give notice, groundbreaker, guide, herald, herald angel, innovator, lead runner, leader, messenger, notify, omen, outrider, pathfinder, pioneer, point, portent, preannounce, precedent, precursor, predecessor, preindicate, premonitor, presage, presager, proclaim, run before, scout, sign, stormy petrel, trailblazer, trailbreaker, vanguard, vaunt-courier, voortrekker