WordWeb Online

1. Addition of extra material, illustration or clarifying detail
   "an elaboration of the sketch followed";
   - amplification
    
2. The result of improving something
   - refinement
    
3. A discussion that provides additional information
   - expansion, enlargement
    
4. Marked by elaborately complex detail
   - elaborateness, intricacy, involution
    
5. Developing in intricate and painstaking detail
   - working out

Derived forms: elaborations

Type of: advance, betterment, complexity, complexness, development, discourse, discussion, expanding upon, expansion, improvement, treatment