presuppose

英 [priːsə'pəʊz] 美[,prisə'poz]

• vt. 假定；预料；以…为先决条件

1. take for granted or as a given; suppose beforehand;

"I presuppose that you have done your work"

2. require as a necessary antecedent or precondition;

"This step presupposes two prior ones"