1) Demythologisation 
Demythologization is a hermeneutic approach to religious texts that seeks to separate cosmological and historic claims from philosophical, ethical and theological teachings. The term demythologization (in German, Entmythologisierung) is introduced by Rudolf Bultmann, but has earlier precedents. == Spinoza`s hermeneutic approach to Scripture == In....
[n] - the restatement of a message (as a religious one) in rational terms
demythologisation noun the restatement of a message (as a religious one) in rational terms