to change a situation or system so that it obeys laws or is based on reason

The position of our formerly illegal workers has now been regularized (= made legal and official). 以前在我们这儿的非法务工人员的身份现在已经合法化了。

Some people want to regularize the English spelling system (= change it so that all words follow the same rules for spelling). 有些人希望将英语拼写规范化。