de·my·thol·o·gize 
(dē′mĭ-thŏlə-jīz′)
(dē′mĭ-thŏlə-jīz′)tr.v. de·my·thol·o·gized, de·my·thol·o·giz·ing, de·my·thol·o·giz·es
1. To rid of mythological elements in order to discover the underlying meaning: demythologize biblical legends.
2. To remove the mysterious or mythical aspects from: "providing an antiheroic age with heroes suitably demythologized, yet also grand" (John Simon).
de′my·thol′o·gi·zation (-jĭ-zāshən) n.
de′my·tholo·giz′er n.