presumption
/prɪˈzʌmpʃn; prɪ`zʌmpʃən/ n
1
(a) [U] ~ (of sth) presuming sth to be true or the case 假定; 认定; 假设; 推测
presumption of her innocence by the court 法庭对她无罪的推定.
(b) [C] thing presumed to be true or very probable 假定属实的事物; 被认定的事物; 极为可能的事物
The article makes too many false presumptions. 这篇文章中凭空臆测的成分太多.
We're having the party in the garden on the presumption that it's not going to rain. 我们认为不会下雨, 所以在花园里举行宴会.
2 [U] behaviour that is too bold; arrogance 放肆; 傲慢
She was infuriated by his presumption in making the travel arrangements without first consulting her. 他事先没和她商量便做好旅行安排, 她对他自作主张很生气.