• expostulate

    If you expostulate with someone, you express strong disagreement with or disapproval of what that person is doing.

  • postulate

    If you postulate something, you assert that it is true without proof; therefore, it can be used as a basis for argument or reasoning—even though there is no factual basis for the assumption.

  • expostulation

    the act of expressing earnest opposition or protest

  • postulate(n.)

    (logic) a proposition that is accepted as true in order to provide a basis for logical reasoning

Differentiated vocabulary for your students is just a click away.