english
1
general::
In addition to the idiom beginning with MUSTER, Also see PASS MUSTER. muster in Enlist in military service. For example, They were mustered in at Fort Dix. The antonym is muster out, meaning "to leave or be discharged from military service," as in He was mustered out and given a dishonorable discharge. [First half of 1800s]
American Heritage Idioms
2
general::
verb
summoned, gathered:
They mustered the troops quickly.
noun
a gathering:
It was a muster of all the leaders.
Simple Definitions
3
general::
muster sth up
If you muster up a feeling of bravery or energy, you try hard to find that quality in yourself because you need it in
• rder to do something
• [ + to infinitive ]: She finally mustered up the courage to ask him for more money.
Cambridge-Phrasal Verbs