. I challenge the psychology of religion to move beyond its merely descriptive status and, by focusing on spirituality as the essential dimension of religion, to approach the traditional ideal of science as explanation: a delineation of the necessary and sufficient to account for a phenomenon such as to articulate a general “law” relevant to every instance of the phenomenon. An explanatory psychology of spirituality would elucidate the scientific underpinnings of the psychology of religion as well as that of the (...) social sciences in general, all of which grapple with the issues of human meaning making. Three prevalent and debilitating errors preclude that achievement: the confounding of the spiritual and the divine and the importation of “God” into psychology, the uncritical association of any spiritual phenomenon with spirituality, and the attempt to eschew value judgments from the study of religion and spirituality. To confirm the possibility of avoiding these errors in the face of radical postmodernism, I build on Bernard Lonergan's analyses of intentional consciousness, or human spirit, and thus intimate a psychology of spirituality that is fully nontheological and potentially explanatory. (shrink)