Open English Wordnet
Nouns
(n)ardor, ardour, elan, zeala feeling of strong eagerness (usually in favor of a person or cause)“they were imbued with a revolutionary ardor”,
“he felt a kind of religious zeal” (n)dash, elan, flair, panache, styledistinctive and stylish elegance“he wooed her with the confident dash of a cavalry officer” (n)elanenthusiastic and assured vigor and liveliness“a performance of great elan and sophistication”