Is it ensure, insure, or assure?
1833 in the military sense; 1838 as "render capable of movement, bring into circulation," from French mobiliser, from mobile "movable" (see mobile). Related: Mobilized; mobilizing.
mobilize mo·bi·lize (mō'bə-līz')v. mo·bi·lized, mo·bi·liz·ing, mo·bi·liz·es
To make mobile or capable of movement.
To restore the power of motion to a joint.
To release into the body, as glycogen from the liver.