Explorer \Ex*plor"er\, n.
   One who explores; also, an apparatus with which one explores,
   as a diving bell.
   [1913 Webster]

	

	75 Moby Thesaurus words for "explorer":
   adventurer, alpinist, ancestor, announcer, antecedent, astronaut,
   avant-garde, bellwether, buccinator, bushwhacker, camper, climber,
   comers and goers, commuter, cosmopolite, cruiser, excursionist,
   fare, forebear, foregoer, forerunner, front runner, frontiersman,
   fugleman, globe-girdler, globe-trotter, goer, groundbreaker, guide,
   hajji, harbinger, herald, innovator, jet set, jet-setter,
   journeyer, lead runner, leader, mariner, messenger, mountaineer,
   palmer, passenger, passerby, pathfinder, pilgrim, pioneer, point,
   precedent, precursor, predecessor, rubberneck, rubbernecker,
   sailor, scout, sightseer, stormy petrel, straphanger, tourer,
   tourist, trailblazer, trailbreaker, transient, traveler, trekker,
   tripper, vanguard, vaunt-courier, viator, visiting fireman,
   voortrekker, voyager, voyageur, wayfarer, world-traveler