the trait of being willing to give your money or time
"Her generosity was shown when she donated her entire paycheck and volunteered every weekend at the shelter."
acting generously
"After years of struggling to make ends meet, her sudden generosity toward those in need surprised everyone at the charity gala."
The trait of being willing to donate money, time or resources.
"Her generosity was evident when she volunteered her entire weekend to teach free coding classes for underprivileged youth."