ZEAL

Intense passion

• 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

• Extreme eagerness

• 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

• 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)