- absorbing or controlling possession of the mind by any interest or pursuit; lively interest: He shows marked enthusiasm for his studies.
- an occupation, activity, or pursuit in which such interest is shown: Hunting is his latest enthusiasm.
- any of various forms of extreme religious devotion, usually associated with intense emotionalism and a break with orthodoxy.
- ardent and lively interest or eagerness
- an object of keen interest; passion
- extravagant or unbalanced religious fervour
- possession or inspiration by a god
