Make serious
Quiet and make serious are semantically related. In some cases you can use "Quiet" instead a verb phrase "Make serious".
Quiet
Quiet verb - To become still and orderly.
Make serious and quiet are semantically related. You can use "Make serious" instead a verb "Quiet".
Cite this Source
Quiet and Make serious. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/make_serious/quiet
Make serious & Quiet. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/make_serious/quiet>.
Quiet or Make serious. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/make_serious/quiet.
Google Ngram Viewer shows how "make serious" and "quiet" have occurred on timeline