expression, godan verb (-su)
muster up courage; pluck up courage; screw up one's courage
Used when someone gathers the courage to do something difficult or frightening. Similar to 勇気を出す, but 奮い起こす emphasizes a more deliberate, effortful summoning of inner strength.
See also: 勇気を出す
彼は勇気を奮い起こして、真実を話した。
He mustered up his courage and told the truth.
勇気を奮い起こして、嫌な仕事に取りかかった。
I screwed up my courage and started the unpleasant task.