推论的英语单词是"inference"。
推论是一种逻辑推理过程，通过已知的事实或信息推断出新的结论。例如，如果你知道一个人是医生，你可以推断出他/她对健康很有研究。
例句：
Based on the evidence we have, I think we can make an inference that the suspect is guilty.
By analyzing the data, we can make an inference about the direction the company is heading in.