Webster's 1913 Dictionary
HIGH-MINDEDNESS
HIGH-MINDEDNESS High "-mind `ed *ness, n.
Defn: The quality of being highminded; nobleness; magnanimity.
Oxford Thesaurus
high-mindedness
high-mindedness noun he had a reputation for honour and high-mindedness: integrity, principle, honour, honourableness, morals, morality, uprightness, right-mindedness, noble-mindedness, decency, goodness, honesty, righteousness, rectitude, probity, virtue, nobility, scrupulousness, incorruptibility. ANTONYMS dishonourableness.
The Wordsmith Dictionary