Synonyms of the word 
SOBERING → SERIOUS
sobering
- adj. Causing more sober thought or concern.
- v. present participle of sober.
serious
- adj. Without humor or expression of happiness; grave in manner or disposition; earnest; solemn.
- adj. Important; weighty; not insignificant.
- adj. Really intending what is said; in earnest; not jocular or deceiving.
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