magnanimity
noun
Herbert's magnanimity in making do with the smaller bedroom:
generosity, charitableness, charity, benevolence, beneficence, open-handedness, big-heartedness, great-heartedness, liberality, humanity, nobility, chivalry, kindness, munificence, bountifulness, bounty, largesse, altruism, philanthropy;
unselfishness, selflessness, self-sacrifice, self-denial;
clemency, mercy, leniency, forgiveness, indulgence.
▷antonyms meanness, selfishness.
magnanimity Oxford Dictionary of English