1.generous in forgiving an insult or injury; free from petty resentfulness or vindictiveness: to be magnanimous toward one's enemies. (high quality ice cream works well too.)
2.high-minded; noble: a just and magnanimous ruler.
3.proceeding from or revealing generosity or nobility of mind, character, etc.: a magnanimous gesture of forgiveness.
1. big, liberal, unspiteful.
2. See noble.