If I were born in Greece 2000 years ago I would have read Plato and know the same definition anyone interested in theology has known since the Sumerians. You would have read Plato too and we wouldn't be having this conversation.

Please stop spreading this misconception that religions are somehow completely different and incompatible, they are simply different paths to the same goal, this has been acknowledged by saints and scholars across the world for as long as there has been religion. We might disagree on some particulars but the core concept and idea of the absolute reality is the same.