After that
On and after that are semantically related. In some cases you can use "On" instead an adverb phrase "After that".
On
On adverb - Toward a point ahead in space or time.
After that and on are semantically related. Sometimes you can use "After that" instead an adverb "On".
Cite this Source
On and After that. (2016). Retrieved 2026, July 29, from https://thesaurus.plus/related/after_that/on
After that & On. N.p., 2016. Web. 29 Jul. 2026. <https://thesaurus.plus/related/after_that/on>.
On or After that. 2016. Accessed July 29, 2026. https://thesaurus.plus/related/after_that/on.
Google Ngram Viewer shows how "after that" and "on" have occurred on timeline