Possible Clues:

• An ism
• Democracy, for one
• Good lie concocted ending in dodgy set of beliefs
• Body of ideas
• Fish register into only vacant school of thought
• Philosophy's good lie spun by Yankee
• System of belief
• Philosophy old yogi developed around energy
• A - one hopes - coherent set of ideas, typically economic or political
• Sounds like science of identification, reads like freshwater fish science, but is an entire way of thinking