The Collaborative International Dictionary of English v.0.48:

Mobilize \Mob"i*lize\, v. t. [imp. & p. p. Mobilized; p. pr. &
   vb. n. Mobilizing.] [F. mobiliser.]
   1. To assemble and organize and make ready for use or action;
      as, to mobilize volunteers for the election campaign.

   Syn: mobilise, marshal.
        [WordNet 1.5]

   2. Specifically: To put in a state of readiness for active
      service in war, as an army corps; as, to mobilize the
      National Guard.

   Syn: mobilise, militarize, militarise.
        [1913 Webster] Moebius strip

Moby Thesaurus II by Grady Ward, 1.0:

36 Moby Thesaurus words for "mobilized":
   all ready, all set, armed, armed and ready, booted and spurred,
   briefed, coached, cocked, equipped, familiarized, good and ready,
   groomed, in arms, in battle array, in readiness, in the saddle,
   informed, loaded, loaded for bear, mature, on the mark, planned,
   prearranged, prepared, prepared and ready, prepped, primed,
   provided, psyched up, ready, ready for anything, ripe, set,
   up in arms, vigilant, well-prepared