maintainable (adjective)

1. The main character's actions and decisions were vital to ensure a maintainable plot throughout the entire novel.

2. The haunted house was so dilapidated that it was no longer maintainable, adding to the eerie atmosphere.

3. The film's visually stunning sets were meticulously designed to be maintainable throughout the entire production.

4. In the future, humans have developed advanced technologies to create maintainable environments on other planets.