mobilization (n.)

1833 in the military sense of "prepare for active operation or taking the field;" 1838 as "render capable of movement;" 1846 as "bring into readiness or circulation," from French mobiliser, from mobile "movable" (see mobile (adj.)). Related: Mobilized; mobilizing.

"action of disbanding troops; reduction of military forces to a peace status," 1866 (in reference to the Austro-Prussian War); see de- (privative) + mobilization. Earlier in German.

chiefly British English spelling of mobilization. For spelling, see -ize.