The Oxford Thesaurus An A-Z Dictionary of Synonyms - elaborationn.

1) enhancement, refinement, enrichment, improvement, amelioration, melioration, betterment; embellishment, adornment, garnish, garnishment, decoration, over-decoration, gingerbread, Slang bells and whistles: The customers always welcome elaboration of the equipment. 2) enlargement, development, amplification, expansion: The argument requires further elaboration.