* Serviceable: This means useful, functional, or suitable for a particular purpose.
* Example: "The old car was still serviceable, even though it was a bit rusty."
* Serving: This is a present participle adjective that describes something that is used for serving.
* Example: "The serving tray was filled with delicious snacks."
* Served: This is the past participle adjective, usually used to describe something that has been completed or fulfilled.
* Example: "The guests were all served their meals."
The best option depends on what you want to express.