The Collaborative International Dictionary of English v.0.48:

Dramaturgy \Dram"a*tur`gy\, n. [Gr. ? dramatic composition; ?
   drama + a root akin to E. work: cf. F. dramaturgie.]
   The art of dramatic composition and representation.
   [1913 Webster]

WordNet (r) 3.0 (2006):

dramaturgy
    n 1: the art of writing and producing plays [syn: dramaturgy,
         dramatic art, dramatics, theater, theatre]