Metapsychology Definition

mĕtə-sī-kŏlə-jē
noun
Speculation about the origin, structure, function, etc. of the mind and about the relation between the mental and the physical, regarded as supplemental to psychology.
Webster's New World
Philosophical inquiry or theory supplementing the empirical science of psychology. Metapsychology deals with aspects of the mind that cannot be evaluated on the basis of objective or empirical evidence.
American Heritage Medicine

(psychology) A set of principles governing Freudian psychology.

Wiktionary

(philosophy) Study of how human experience forms, filters perception and shapes identity.

Wiktionary