THESAURUS
Vanguard
advance guard, airhead, ancestor, announcer, antecedent, armed guard, avant-garde, bank guard, battle line, beachhead, bellwether, bridgehead, buccinator, bushwhacker, coast guard, cordon, cordon sanitaire, explorer, farthest outpost, first line, forebear, forefront, foregoer, forerunner, front, front line, front rank, front runner, front-runner, frontiersman, fugleman, garrison, goalie, goalkeeper, goaltender, groundbreaker, guard, guarder, guardsman, guide, harbinger, herald, inlying picket, innovation, innovator, jailer, latest fad, latest fashion, latest wrinkle, lead runner, leader, line, messenger, new look, newfangled device, novelty, outguard, outpost, pathfinder, picket, pioneer, point, precedent, precursor, predecessor, railhead, rear guard, scout, security guard, spearhead, stormy petrel, the in thing, the last word, the latest thing, trailblazer, trailbreaker, train guard, van, vaunt-courier, voortrekker, warder
ROGET THESAURUS
Vanguard
Front
N
front, fore, forepart, foreground, face, disk, disc, frontage, facade, proscenium, facia, frontispiece, anteriority, obverse (of a medal or coin), fore rank, front rank, van, vanguard, advanced guard, outpost, first line, scout, brow, forehead, visage, physiognomy, phiz, countenance, mut, rostrum, beak, bow, stem, prow, prore, jib, pioneer, metoposcopy, fore, anterior, front, frontal, before, in front, in the van, in advance, ahead, right ahead, forehead, foremost, in the foreground, in the lee of, before one's face, before one's eyes, face to face, vis-a-vis, front a front, formosa muta commendatio est, frons est animi janua, Human face divine, imago animi vultus est indices oculi, sea of upturned faces.