muster has definitions from the field of military
1
[ verb ] gather or bring together

Examples

"muster the courage to do something" "she rallied her intellect" "Summon all your courage"

Used in print

(Ralph J. Salisbury, "On the Old Santa Fe Trail...)

`` Moriarty '' , my driver suddenly exclaimed with something so definite , so final in his tone I once_more repeated the absurdity , mustering all my latent powers of hypocrisy to sound convinced .

Related terms

gather rally

2
[ verb ] call to duty, military service, jury duty, etc.

Used in print

(Vina Delmar, The Big Family....)

Spencer 's potential followers were openly sullen and morose , missing muster without excuse , expressing in ominous tones their displeasure at the prisoners being kept in irons , communicating with the three by glance and signal .

Related terms

call conscription

3
[ noun ] (military) a gathering of military personnel for duty

Examples

"he was thrown in the brig for missing muster"

Related terms

gathering military

4
[ noun ] (military) compulsory military service
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