discretion - Dictionary definition and meaning for word discretion
discrete... means separate..that is we are separate & are not dependent on any one, hence we have the FREEDOM OF ACTION OR JUDGEMENT...
discretion=discete(unconnected or free)+action.so discretion means free action.
dis+cretion(creation)=> when we want to create something like movie v shold create it with INTELLIGENCE, WISDOM AND WITH CARE
She was able to DISCREDIT their claims because she was responsible and researched the topic with caution. Hence, she practiced DISCRETION.