Definition of: muster

(mus′tər) v.t.
1. To summon or assemble (troops, etc.), as for service, review, or roll call.
2. To collect or summon: often with up: to muster up one's courage.
—ν.i.
3. To come together or assemble, as troops for service, review, etc.
—to muster in To enrol as military recruits.
—to muster out To collect or assemble, as troops, for discharge from military service. See synonyms under CONVOKE.
—noun
1. An assemblage, especially of troops for parade or review.
2. A muster roll.
3. A specimen; pattern; sample.
4. An imposing gathering; array.
—to pass muster To pass inspection; hence, to be acceptable or accepted. [<OF mostrer exhibit <L monstrare show]