A word that can replace the name of a person, place, or thing, or idea, although it is usually used to replace names of specific individuals.
Person- Hey Spoforth, come over here.
Place- We are going to go over to Spoforth for a while.
Thing- Pardon me sir, could you hand me my Spoforth.
Idea- Dude, I just thought of a Spoforth.