What does "muster" mean?

In addition to the idiom beginning with muster, also see pass muster.

See muster in WNW Idioms

muster in (or out)

☆
to enlist in (or discharge from) military service

pass muster

to measure up to the required standards

muster in (or out)

☆
to enlist in (or discharge from) military service

pass muster

to measure up to the required standards

See muster in American Heritage Dictionary 4 Idioms

pass muster

To be judged as acceptable.

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