Adapter (noun)

1. A device for connecting pieces of equipment that cannot be connected directly.
2. A person or thing that makes something suitable for a new use or situation.

Origin:

Late 16th century (as a noun denoting a person who adapts): from latin adaptare "make fit".

Examples:

1. I need to buy a new power adapter for my laptop.
2. This camera requires a special adapter to connect to the telescope.
3. The teacher is an adapter who was able to make the lesson plan suitable for all the students.
4. This phone does not have a headphone jack but it comes with an audio adapter.
5. The company is an adapter in the field of renewable energy.