This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

n. The quality or condition of being impetuous.

n. An impetuous act.

n. The quality of making rash or arbitrary decisions, especially in an impulsive or forceful manner.

n. The condition or quality of being impetuous; fury; violence.

n. Vehemence; furiousness of temper.

n. The condition or quality of being impetuous; fury; violence.

n. Vehemence, or furiousnes of temper.

n. The character or quality of being impetuous; vehement or rash action, temper, or disposition; sudden or violent energy in thought or act.

n. rash impulsiveness

"The soldier has no longer that ardor, that impetuosity, which is redoubled in the heat of action, when the fight is hand to hand."

deliberation   

impulsiveness   

impetuousness    impetuously    impetuous   

fury    violence    impetuousness    ardency    vehemence    fire    ferocity    fierceness    headiness    headlongness   

vehemence    vigour    ardor    eagerness    impulsiveness    earnestness    fervor    boldness    promptitude    fierceness