Development that lets a system adapt, or grow, from less well adapted to its requirement to more well adapted. Perhaps (straining the metaphor) to be contrasted with UniqueCreationDevelopment. ---- ED would seem to be largely orthogonal to IncrementalDelivery. But EvolutionaryDelivery maybe suggests otherwise (to my muddled early morning brain) --KeithBraithwaite ---- See also OrganicSimplicity.