To produce by natural change and development: “The expectations of the residents of the city in terms of services usually evolve over time.”
devolve (di VOLV)
The change of power and authority from a central power or governing body to that of a more local center: “The corporation decided to devolve the control of sales from the head office to the local authorities.”
It seemed to be a natural process that the authority in the board would evolve to a more democratic process; in fact, it was decided to devolve the power of the board completely in favor of a citizen committee.