presuppose

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pre·sup·pose / ˌprēsəˈpōz/ • v. [tr.] (of an action, process, or argument) require as a precondition of possibility or coherence: his relationships did not permit the degree of self-revelation that true intimacy presupposes. ∎  tacitly assume at the beginning of a line of argument or course of action that something is the case: your argument presupposes that it does not matter who is in power.