zeal
noun
[ ziːl ]
• great energy or enthusiasm in pursuit of a cause or an objective.
• "his zeal for privatization"
Similar:
passion,
zealousness,
committedness,
ardour,
love,
fervour,
fire,
avidity,
fondness,
devotion,
devotedness,
enthusiasm,
eagerness,
keenness,
appetite,
taste,
relish,
gusto,
vigour,
energy,
verve,
zest,
fervency,
ardency,
Origin:
late Middle English: via ecclesiastical Latin from Greek zēlos .