See élan in Webster's New World Roget's A-Z Thesaurus II
noun
A lively, emphatic, eager quality or manner:
animation, bounce, brio, dash, esprit, life, liveliness, pertness, sparkle, spirit, verve, vigor, vim, vivaciousness, vivacity, zip. (Informal) ginger, pep, peppiness. (Slang) oomph. See action
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