At which
So and at which are semantically related. In some cases you can use "So" instead the phrase "At which" as an adverb or a conjunction.
So
So adjective - Being in agreement with the truth or a fact or a standard.
At which and so are semantically related. You can use "At which" instead the word "So" as an adverb or a conjunction.
Cite this Source
So and At which. (2016). Retrieved 2026, July 29, from https://thesaurus.plus/related/at_which/so
At which & So. N.p., 2016. Web. 29 Jul. 2026. <https://thesaurus.plus/related/at_which/so>.
So or At which. 2016. Accessed July 29, 2026. https://thesaurus.plus/related/at_which/so.
Google Ngram Viewer shows how "at which" and "so" have occurred on timeline