Extreme eagerness
Else clues• Alacrity
• Amazing pep
• Antithesis of apathy
• Ardor
• Brio
• Convert's quality, it's said
• Devotion, and then some
• Eager desire
• Eagerness
• Eagerness, plus
• Enthusiasm
• Enthusiastic devotion
• Evangelism
• Exuberance
• Fan's feeling
• Fanatic fervor
• Fanatic's feeling
• Fanatic's quality
• Fanaticism
• Fervency
• Fervor
• Fire
• Flame
• Follower's fervor
• Get-up-and-go
• Get-up-and-go attribute
• Great enthusiasm
• Gung-ho feeling
• Gung-ho quality
• Gusto
• Heat
• High enthusiasm
• Inner fire
• Intense enthusiasm
• Intense passion
• Intensity
• More than enthusiasm
• Oomph
• Passion
• Pep
• Punch
• Relish
• Spirit
• Strong enthusiasm
• Superfan's trait
• Tremendous enthusiasm
• Vehemence
• Vigor
• What-it-takes
• Excessive fervor to do something or accomplish some end
• A feeling of strong eagerness (usually in favor of a person or cause)