As a noun:
* "The general called for a muster of all troops before the battle." (Meaning: a gathering of people, especially for military purposes)
* "She had to summon all her muster to face her fears." (Meaning: strength, courage, or determination)
* "The company had a muster of its employees to celebrate its anniversary." (Meaning: a gathering or assembly)
As a verb:
* "The captain mustered his crew and gave them their orders." (Meaning: to gather or assemble)
* "She mustered all her strength to push the heavy boulder." (Meaning: to gather or bring together)
* "He couldn't muster the courage to ask her out on a date." (Meaning: to summon or bring to bear)
In different contexts:
* "The band mustered their instruments and began to play." (Meaning: to prepare for action)
* "She couldn't muster a single word in response to his insult." (Meaning: to produce or find)
* "He mustered his wits and came up with a clever solution to the problem." (Meaning: to bring to mind or focus)