The term "Holy Experiment" is not widely recognized as an established concept in major encyclopedic sources. Accurate information regarding its definition, historical usage, or academic significance is not confirmed.
The phrase may be interpreted etymologically as a combination of "holy," suggesting something sacred or religious, and "experiment," implying a deliberate trial or test. In plausible contexts, it could refer to a religiously motivated social or communal initiative intended to implement spiritual ideals in practice. For example, some historical communities, such as certain Quaker settlements in early American history, have been described in scholarly works as attempts at creating a "holy experiment" in governance and society based on religious principles—particularly William Penn's founding of Pennsylvania. However, without a standardized or widely accepted referent, the term remains context-dependent and not formally codified.
Due to the lack of reliable, comprehensive sources defining "Holy Experiment" as a discrete subject, extensive discussion under standard encyclopedic categories is not possible.