Are you trying to spell one of these words?
* Assigned: Meaning to allocate or designate something for a specific purpose.
* Assigned: Meaning to be given a specific task or role.
* Agnostic: Meaning a person who believes that it is impossible to know whether or not God exists.
If you can provide more context about where you saw "aggisned," I might be able to help you figure out the correct spelling.