radical:

departing markedly from the usual or customary; extreme or drastic

radical:

departing markedly from the usual or customary; extreme or drastic

(Adjective)

Example sentences:

Ramayana:  When Rama was sentenced to exile, he faced that adversity with what can be called ‘radical acceptance’.

Mahabharata:  The notion that a great warrior Arjuna, the embodiment of masculinity, would take on the guise of a eunuch was so radical that no one would consider that possibility — and that’s what would make the disguise work.

Bhagavad-gita:  Philosophically, the Gita outlines a radical differentiation between the body and the soul; practically however, it outlines a way of living that harmonizes working according to our bodily nature with pursuing spiritual realization.