muster up

muster up

To summon, gather, or cobble something together. Said especially of intangible qualities, such as courage, determination, etc. Eventually I mustered up the courage to go over and ask him for his phone number. Despite outperforming the other team for most of the game, they were only able to muster up a single goal. Can you muster the strength up to walk back to camp, or should I go for help?
See also: muster, up
Farlex Dictionary of Idioms.

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
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.

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
The American Heritage® Dictionary of Phrasal Verbs.
See also:
  • buzz with
  • buzz with (something)
  • summon up
  • have (someone's or something's) good points
  • have your good, plus, etc. points
  • have (someone's or something's) plus points
  • strive after
  • strive after (something)
  • strove
  • cobble