suppose

express a supposition

Let us say that he did not tell the truth

expect, believe, or suppose

I imagine she earned a lot of money with her new novel

to believe especially on uncertain or tentative grounds

Scientists supposed that large dinosaurs lived in swamps

take for granted or as a given; suppose beforehand

I presuppose that you have done your work

require as a necessary antecedent or precondition

This step presupposes two prior ones