Translation

• to make a definitive judgment
• to come to a firm conclusion

Examples

• 你能因此而论定女杏主义还是需要的。
  From this you can conclude that feminism is still necessary.
• 看完研究以后，我们其中大部分人论定疫苗是件好事。
  After looking at the research, most of us conclude that vaccines are a good thing.
• 因为他做了不少不好的事我们可以论定他是不好的人。
  As he has done a lot of bad things, we can conclude that he is a bad person.