Source : WordNet®

elan
     n 1: a 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" [syn: {ardor},
           {ardour}, {zeal}]
     2: distinctive and stylish elegance; "he wooed her with the
        confident dash of a cavalry officer" [syn: {dash}, {flair},
         {panache}, {style}]
     3: enthusiastic and assured vigor and liveliness; "a
        performance of great elan and sophistication"

Source : Free On-Line Dictionary of Computing

Elan
     
        ["Top-down Programming with Elan", C.H.A. Koster, Ellis
        Horwood 1987].