v. 1 call or come together, assemble, convoke, convene, collect, mobilize, rally, round up, gather, marshal, summon (up) Within a month he had mustered a force of thousands to fight the invaders I mustered up enough courage to ask Joan out to dinner.
n. 2 rally, assembly, assemblage, convocation, meet, meeting, convention, congress, round-up, turnout, gathering, congregation, aggregation, aggregate We attended the annual muster of bagpipe marching bands 3 pass muster. come up to scratch, make the grade, measure up, be acceptable, Colloq come or be up to snuff: Are you sure that your new design will pass muster with the art director?