supposition
/ˌsʌpəˈzɪʃn; ˌsʌpə`zɪʃən/ n
1 [U] supposing 假定; 猜想; 推测
a newspaper article based on supposition, ie only on what the writer supposes to be true, not on fact 根据臆想写出的报刊文章
We must not condemn her on pure supposition. 我们不能单凭臆测而谴责她.
2 [C] ~ (that...) thing supposed; guess 假 定的事物; 猜测
Our suppositions were fully confirmed. 我们猜测的事已全部证实.
I am proceeding on the supposition that..., ie by assuming it to be true that... 我假定....