The Collaborative International Dictionary of English v.0.48:

Deploy \De*ploy"\, Deployment \De*ploy"ment\, n. (Mil.)
   The act of deploying; a spreading out of a body of men in
   order to extend their front. --Wilhelm.
   [1913 Webster]

         Deployments . . . which cause the soldier to turn his
         back to the enemy are not suited to war. --H. L. Scott.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

deployment \deployment\ n.
   the arrangement or distribution (of resources such as people
   or equipment), in preparation for battle or work.
   [WordNet 1.5]

WordNet (r) 3.0 (2006):

deployment
    n 1: the distribution of forces in preparation for battle or
         work

Moby Thesaurus II by Grady Ward, 1.0:

100 Moby Thesaurus words for "deployment":
   aberration, addition, adjunct, aggrandizement, allocation,
   allotment, ampliation, amplification, apportionment, arrangement,
   array, arraying, assignment, augmentation, battle array,
   broadening, centrifugence, close formation, collation, collocation,
   concord, constitution, crescendo, decentralization, deposit,
   deposition, deviation, dispersion, disposal, disposition,
   distribution, divarication, divergence, divergency, division,
   echelon, emplacement, enlargement, expansion, extension, fanning,
   fanning out, flare, form, formation, formulation, harmony, hiking,
   increase, lading, layout, lineup, loading, localization, locating,
   location, magnification, marshaling, open order, order,
   order of battle, ordering, organization, packing, peace,
   pinpointing, placement, placing, positioning, posting, proportion,
   putting, quiet, quietude, raising, regimentation, regularity,
   reposition, routine, separation, setup, situation, splay, splaying,
   spotting, spread, spreading, spreading out, stationing, storage,
   stowage, structure, structuring, symmetry, syntax, system,
   tranquillity, uniformity, upping, widening