The Collaborative International Dictionary of English v.0.48:

Soldiery \Sol"dier*y\, n.
   1. A body of soldiers; soldiers, collectivelly; the military.
      [1913 Webster]

            A camp of faithful soldiery.          --Milton.
      [1913 Webster]

   2. Military service. [Obs.] --Sir P. Sidney.
      [1913 Webster]

WordNet (r) 3.0 (2006):

soldiery
    n 1: soldiers collectively [syn: military personnel,
         soldiery, troops]

Moby Thesaurus II by Grady Ward, 1.0:

24 Moby Thesaurus words for "soldiery":
   armed force, armed service, army, array, career soldiers,
   fighting machine, forces, ground forces, ground troops, host,
   legions, military establishment, occupation force, paratroops,
   rank and file, ranks, regular army, regulars, ski troops,
   standing army, storm troops, the line, the military, troops