zeal

Từ điển American Heritage Dictionary 4th

zeal (zēl)n.
Enthusiastic devotion to a cause, ideal, or goal and tireless diligence in its furtherance. See Synonyms at passion. [Middle English zele, from Old French zel, from Late Latin zēlus, from Greek zēlos.]

• Từ đồng nghĩa / Synonyms:
  readiness, eagerness, forwardness, ardor, ardour, elan