Adaptation (noun)

1. The process or result of adapting or being adapted.
2. A version of something that has been changed to suit a new purpose or situation.

Origin:

Early 17th century: from latin adaptatio(n-), from adaptare "adjust" (see adapt).

Examples:

1. The plant's adaptation to the desert environment is remarkable.
2. The film is an adaptation of the novel.
3. The play is an adaptation of the classic story.
4. The software is an adaptation of the original program.
5. The building's adaptation to the new use is impressive.