Here are some examples:
* Compulsory: Relating to or characterized by compulsion.
* Explanatory: Tending to explain.
* Inflammatory: Relating to or characterized by inflammation.
* Sanctuary: A place for refuge or safety.
* Factory: A place where goods are manufactured.
* Reparatory: Relating to or characterized by reparation (making amends).
It's important to note that the meaning of "-atory" can vary slightly depending on the word it's attached to. However, the general sense of "relating to" or "characterized by" is a good starting point for understanding its function.