{v. phr.}, {informal} To pass a test or check-up; be good enough. * /After a practice period, Sam found that he was able to pass muster as a lathe operator./ * /His work was done carefully, so it always passed muster./ Compare: MEASURE UP.
PASS MUSTER
Meaning of PASS MUSTER in English
Slang English vocab. Английский сленговый словарь. 2012