Definition of "Assume" :
verb: put clothing on one's body
"The queen assumed the stately robes."
verb: take on a certain form, attribute, or aspect
"She assumed strange manners."
verb: take to be the case or to be true; accept without verification or proof
"I assume his train was late."
verb: take up someone's soul into heaven
"This is the day when Mary was assumed into heaven."
verb: make a pretence of
"She assumed indifference, even though she was seething with anger."
verb: occupy or take on
"He assumes the lotus position."
verb: 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."
verb: take on as one's own the expenses or debts of another person
verb: take on titles, offices, duties, responsibilities
"When will the new President assume office?."