presuppose
/ˌpriːsəˈpəʊz/verb
with obj.
1- (of an action, process, or argument) require as a precondition of possibility or coherence（行为, 过程, 论点）以…为先决条件：
his relationships did not permit the degree of self-revelation that true intimacy presupposes.
暴露自己感情可以到什么程度取决于真实的亲密程度, 而他的交往关系还不能允许他充分流露感情。
1.1
- with clause tacitly assume at the beginning of a line of argument or course of action that something is the case预先假定; 预料, 推测：
your argument presupposes that it does not matter who is in power.
你的论点预先假定了谁在位并不重要。
词源
late Middle English: from Old French presupposer, suggested by medieval Latin praesupponere, from prae 'before'+supponere 'place under' （see SUPPOSE）.