Meaning : Seize and take control without authority and possibly with force. Take as one's right or possession.
He assumed to himself the right to fill all positions in the town.
He usurped my rights.
She seized control of the throne after her husband died.
Meaning : Take up someone's soul into heaven.
This is the day when Mary was assumed into heaven.
Assume ka meaning, vilom shabd, paryayvachi aur samanarthi shabd in Hindi. Assume ka matlab kya hota hai?