Set in
Set in verb - To come into existence.
Tread down and set in are semantically related. In some cases you can replace term "Tread down" with "Set in", this phrasal verbs are similar.
Tread down
Cite this Source
Tread down and Set in. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/set_in/tread_down
Set in & Tread down. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/set_in/tread_down>.
Tread down or Set in. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/set_in/tread_down.
Google Ngram Viewer shows how "set in" and "tread down" have occurred on timeline