to decide that something is the best thing to do. You often use this expression to refer to decisions or actions that you do not agree with认为/觉得适合(常用来表示不赞成)
She did not see fit to apologize for her behaviour. 她认为不必为自己的行为道歉。
The court will deal with the matter as it thinks fit. 这件事法庭觉得该怎么处理就怎么处理。