2. To start being responsible for something.
3. To adopt or to take on something.
4. To take on a particular role or function.
5. To put on a pretense of something, usually in order to hide one's true feelings.
6. To take to oneself formally (the insignia of office or symbol of a vocation); to undertake (an office or duty).
7. To take for granted as the basis of argument or action; to suppose that a thing is.
To assume means "to suppose, to put forward" as with a hypothesis or a possibility: "Let's assume Marina doesn't get a pay raise; could she still afford to buy a new car?"
2. To take on, become responsible for, take care of: The new buyer will assume the mortgage on the house.
2. To rely on too much: Lora wants to presume on Dylan's writing talents to compile her memoirs.
These words have related but distinguishable meanings
To assume is to take for granted, to infer without proof: "Mrs. Blake assumed that her husband had paid the bill."
To presume is to believe something to be a fact: to infer as true without actual proof to the contrary.
When Stanley came upon another explorer in Africa, he didn't say "Dr. Livingstone, I assume" but "Dr. Livingstone, I presume?" This was because circumstances clearly indicated that the man he was meeting could be no one else.
In ordinary conversation; however, the words may be used interchangeably.
Please, do not presume to second guess what Candice is going to say. She only wants to assume responsibility for her exact words.