Intelligence is a fuzzy term, but I'd say when it can formulate, rationalize, and realize it's own goals without prompting or excessive manual programming, it c

Intelligence is a fuzzy term, but I'd say when it can formulate, rationalize, and realize it's own goals without prompting or excessive manual programming, it can probably be considered intelligent. Introspection, failure-based learning models, and future simulation are probably important as well, but maybe not necessary for setting a base level.