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n. Chiefly British Variant of fervor.

n. An intense, heated emotion; passion, ardour.

n. A passionate enthusiasm for some cause.

n. Heat.

n. feelings of great warmth and intensity

n. the state of being emotionally aroused and worked up

"Revolutionary fervour is born from an intense emotional response, sublimated and rationalised."

fervor    ardor    earnestness    vigour    zeal    devotion    vehemence    boldness    exaltation    reverence