(n.) The act of mobilizing.

activation activity actuation arms race arrangement assemblage assembly basic training briefing bugle call call call to arms call-up canvass catchword census clarion clarion call clearing the decks collection colligation collocation combination comparison compulsory military service concourse concurrence confluence conflux congregation conscription convergence corralling data-gathering draft draft call drafting dynamics enlistment enrollment equipment exhortation familiarization fixing foundation garrison state gathering go for broke going groundwork gung ho impressment induction ingathering inventory junction juxtaposition kinematics kinesipathy kinesis kinesitherapy kinetics levy makeready making ready manufacture martial law militarization motion motivation move movement moving muster planning prearrangement preliminaries preliminary preliminary act preliminary step prep preparation preparatory study preparing prepping prerequisite press pretreatment processing propaedeutic provision rally rallying cry reactivation readying rebel yell recruiting recruitment remilitarization restlessness rodeo roundup running selective service slogan spadework stir stirring summons survey training treatment trial trumpet call tryout unrest velocity war clouds war cry war footing war whoop warm-up wartime footing watchword