1
the action of improving or being improved.
2
development or improvement.
3
To grow or expand
4
the gradual development of something, especially from a simple to a more complex form.
5
the attainment of an optimum stage of development.
6
become or make greater in size, amount, intensity, or degree.
7
the action or process of adding something to something else
8
the process of gradually improving or getting nearer to achieving or completing something
9
construct (something, typically something large) by putting parts or material together over a period of time.
10
progress of growing
