N-COUNT
假定;假設;設想
A supposition is an idea or statement which someone believes or assumes to be true, although they may have no evidence for it.
例句
There's a popular supposition that we're publicly funded but the bulk of our money comes from competitive contracts...
人們普遍認為我們是受公共基金的資助，然而我們大部分資金是通過簽訂競爭性合同得來的。
But as with many such suppositions in natural history, no one had ever tested it.
博物學中雖然有許多類似的假設，卻從沒人對此考證過。