Realization occupies a distinctive and contested position in the depth-psychology corpus, operating simultaneously as an epistemological event, an ontological transformation, and a therapeutic goal. Van der Hart and colleagues, drawing on Janet, treat realization as a high-order mental action — a ‘hot’ cognition that binds experience to selfhood and drives genuine personality change, standing in contrast to mere intellectual knowing. Where realization fails, structural dissociation and nonrealization persist. Von Franz, working from a Jungian standpoint, frames realization of meaning as a ‘quantum leap’ in the psyche, irreducible to discursive thought and partaking of the numinous — more akin to illumination than information acquisition. Edinger maps the term through Aristotelian entelecheia, reading realization as the actualization of potential, and aligns it with the ego/Self partnership that confers meaning on suffering. Welwood, approaching from a Buddhist-psychotherapeutic angle, sharply distinguishes realization from actualization: the former is a direct recognition of ultimate nature; the latter is its difficult, lifelong embodiment. Jung himself, in the Red Book and the commentary on Eastern texts, treats the realization of the Self as the supreme orienting act of psychological life, yet warns of its inherent incompleteness. Bion introduces a more technical usage, employing ‘realization’ as the term for whatever external state approximately corresponds to a psychoanalytic construct. The corpus thus spans phenomenological, clinical, mystical, and formal-logical registers, with persistent tension between sudden insight and incremental integration.