Development (noun)

1. The process of growing, improving, or advancing.
2. The gradual growth or formation of something.
3. The process of creating or producing something new.
4. The process of improving a skill or area of knowledge.
5. The construction of buildings or the creation of new housing or commercial facilities.

Origin:

Late 16th century: from french développement, from développer 'unroll, unfold', based on latin dis- 'apart' + volvere 'to roll'.

Examples:

1. The development of the new software has taken several years.
2. She was fascinated by the development of the baby inside her.
3. The company is dedicated to the development of new technology.
4. The development of his writing skills was impressive.
5. The city's development plan calls for the construction of new homes and businesses.