Source : Webster's Revised Unabridged Dictionary (1913)

Mobilize \Mob"i*lize\, v. t. [imp. & p. p. {Mobilized}; p. pr. &
   vb. n. {Mobilizing}.] [F. mobiliser.]
   To put in a state of readiness for active service in war, as
   an army corps.

Source : WordNet®

mobilize
     v 1: make ready for action or use; "marshal resources" [syn: {mobilise},
           {marshal}, {summon}]
     2: call to arms; of military personnel [syn: {call up}, {mobilise},
         {rally}] [ant: {demobilize}]
     3: get ready for war [syn: {mobilise}] [ant: {demobilize}, {demobilize}]
     4: cause to move around; "circulate a rumor" [syn: {mobilise},
        {circulate}]