অর্থ : The process of declining from a higher to a lower level of effective power or vitality or essential quality.
সমার্থক : degeneration
A process in which something passes by degrees to a different stage (especially a more advanced or mature stage).
The development of his ideas took many years.অর্থ : The delegation of authority (especially from a central to a regional government).
সমার্থক : devolvement
Devolution meaning in Bengali (Bangla).