What is "to pass muster"

Muster \Mus"ter\, n. [OE. moustre, OF. mostre, moustre, F. montre, LL. monstra. See Muster, v. t.]

1. Something shown for imitation; a pattern. [Obs.]

2. A show; a display. [Obs.]
   --Piers Plowman.

3. An assembling or review of troops, as for parade, verification of numbers, inspection, exercise, or introduction into service.

   The hurried muster of the soldiers of liberty.
   --Hawthorne.

   See how in warlike muster they appear, In rhombs, and wedges, and half-moons, and wings.
   --Milton.

4. The sum total of an army when assembled for review and inspection; the whole number of effective men in an army.

   And the muster was thirty thousands of men.
   --Wyclif.

   Ye publish the musters of your own bands, and proclaim them to amount of thousands.
   --Hooker.

5. Any assemblage or display; a gathering.

   Of the temporal grandees of the realm, mentof their wives and daughters, the muster was great and splendid.
   --Macaulay.

   Muster book, a book in which military forces are registered.

   Muster file, a muster roll.

   Muster master (Mil.), one who takes an account of troops, and of their equipment; a mustering officer; an inspector.

   Muster roll (Mil.), a list or register of all the men in a company, troop, or regiment, present or accounted for on the day of muster.

   To pass muster, to pass through a muster or inspection without censure.

   Such excuses will not pass muster with God.
   --South.