What is the operational definition of "God" to start the process of validating its existence once and for all?

How much longer are we going to allow this hollow term, "God", to remain undefined and a dysfunctional thorn in the psyche of humanity?
Update: Note: A dictionary definition is not an operational definition. Here is the "dictionary" definition of an operational definition (from Wikipedia): "An operational definition defines something (e.g. a variable, term, or object) in terms of the specific process or set of validation tests used to... show more Note: A dictionary definition is not an operational definition. Here is the "dictionary" definition of an operational definition (from Wikipedia):
"An operational definition defines something (e.g. a variable, term, or object) in terms of the specific process or set of validation tests used to determine its presence and quantity."
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