Synonyms to beachhead

acropolis, bastion, blockhouse, bridgehead, bunker, castle, citadel, donjon, fasthold, fastness, fort, fortress, garrison, garrison house, hold, keep, martello, martello tower, mote, motte, peel, peel tower, pillbox, post, rath, safehold, strong point, stronghold, tower, tower of strength, ward, advance guard, airhead, armed guard, avant-garde, bank guard, battle line, coast guard, cordon, cordon sanitaire, farthest outpost, first line, forefront, front, front line, front rank, front-runner, goalie, goalkeeper, goaltender, guard, guarder, guardsman, inlying picket, innovation, jailer, latest fad, latest fashion, latest wrinkle, line, new look, newfangled device, novelty, outguard, outpost, picket, pioneer, point, precursor, railhead, rear guard, scout, security guard, spearhead, the in thing, the last word, the latest thing, train guard, van, vanguard, warder, avant garde, a la mode, advanced, ancestor, announcer, antecedent, authentic, bellwether, buccinator, bushwhacker, contemporary, creative, explorator