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muster up

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muster something up

to call up some quality, such as courage. Do you think you can muster enough courage up to do the job? Can you muster up enough strength to do the job?

See also: muster, up

muster up

v.

To gather up some force of will to do something: I couldn't muster up the courage to tell them about my terrible mistake. Although the team lost, they mustered some good cheer up and went to the party.

See also: muster, up