Within the depth-psychology corpus, ‘compensatory’ names one of the most architecturally central principles in Jungian theory: the proposition that the unconscious spontaneously produces contents that correct, supplement, or counterbalance one-sided conscious attitudes. Jung himself articulates the principle with characteristic precision in The Structure and Dynamics of the Psyche, asserting that all dreams are compensatory to the content of consciousness, even where that function is not immediately transparent. The concept operates at multiple registers simultaneously — intrapsychic (the dream as nocturnal corrective), developmental (the second half of life compensating the one-sidedness of the first), cultural (Mercurius as compensatory counterpoint to Christ), and structural (the loss of biological attributes in the marriage quaternio compensated by magical qualities). Neumann extends the principle into a theory of psychic teleology: centroversion drives the second half of life toward compensatory development that balances earlier one-sidedness. Von Franz raises the productive question whether the unconscious is only reactive, or whether compensatory action shades into something more autonomous. Hillman, writing from an archetypal perspective, offers a measured critique of the clinical tendency to chase the compensatory opposite, warning that oppositionalism ‘runs away with Jungian practitioners.’ Welwood applies the term to ego structure itself, distinguishing deficient subconscious identity from compensatory conscious identity. Together these voices reveal a concept indispensable to Jungian practice yet genuinely contested at its edges.