1. (v. t.) To call together; as to muster troops for inspection\.

2. (n.) A show; a display.

3. (n.) An assembling or review of troops, as for parade, verification of numbers, inspection, exercise, or introduction into service.

4. (n.) The sum total of an army when assembled for review and inspection; the whole number of effective men in an army.

5. (v. t.) Any assemblage or display; a gathering.

6. (v. t.) To collect and display; to assemble, as troops for parade, inspection, exercise, or the like.

7. (v. t.) Hence: To summon together; to enroll in service; to get together.

8. (v. i.) To be gathered together for parade, inspection, exercise, or the like; to come together as parts of a force or body; as, his supporters mustered in force.

accumulate agenda agglomerate aggregate aggregation aggroup amass assemblage assemble assembly batch beadroll beat the drums bid come bring together bugle call bulk bunch bunch together bunch up cadastre calendar call call away call back call for call forth call in call out call to arms call together call up call-up canvass catchword census census report checklist checkroll cite clarion clarion call clot clump cluster collect collection colligate colligation collocate collocation combination combine come together commandeer company compare comparison compile compulsory military service concourse concurrence confluence conflux congeries conglomerate congregate congregation congress conjure conjure up conscript conscription convene convention converge convergence convocation convoke copulate corral corralling couple crowd cumulate data-gathering date demand detach detach for service dig up docket draft draft call drafting dramatis personae draw together dredge up drive together enlist enlistment enroll enrollment evoke exhortation flock together flow together forgather fuse gang around gang up gather gather around gather in gather together gathering get in get together go for broke group gung ho head count herd together hive honor roll horde huddle impress impressment indent induct induction ingathering inventory invoke join join up junction jury list jury panel juxtapose juxtaposition league levy lineup link list lump together make the grade make up marshal mass match measure up meet meeting merge mill mobilization mobilize muster in muster roll muster up nose count order of business order up page pair partner pass muster poll preconize press program property roll put together questionnaire raise rake up rally rally around rallying cry rebel yell recall recruit recruiting recruitment rendezvous requisition returns rodeo roll roll call roster rota round up roundup scrape together scroll seethe selective service send after send for serve sign sign on sign up slogan stream subpoena summon summon forth summon up summons surge survey swarm take up tax roll throng trumpet call turnout unite war cry war whoop watchword whip in