Sentence examples for so doing from inspiring English sources

The phrase "so doing" is correct and usable in written English.
It is typically used to refer to an action that is mentioned previously in the sentence. For example: "I spent all day cleaning the house. So doing, I accidentally broke a valuable vase." In this sentence, "so doing" means "in the process of cleaning the house." Another example: "Susan always puts her family's needs before her own. So doing, she often neglects her own self-care." In this sentence, "so doing" means "in the act of putting her family's needs first."