Approaching
Approaching adjective - Being soon to appear or take place.
On and approaching are semantically related in movement topic. In some cases you can use "On" instead an adverb "Approaching", when it comes to topics like direction.
On
On adverb - Toward a point ahead in space or time.
Approaching and on are semantically related in direction topic. Sometimes you can use "Approaching" instead an adverb "On", if it concerns topics such as ahead of.
Cite this Source
On and Approaching. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/approaching/on
Approaching & On. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/approaching/on>.
On or Approaching. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/approaching/on.
Google Ngram Viewer shows how "approaching" and "on" have occurred on timeline