sobering (Adjective) — Tending to make sober or more serious. ex. "the news had a sobering effect"
sobering (Verb) — Cause to become sober. ex. "A sobering thought"
sobering (Verb) — Become more realistic. ex. "After thinking about the potential consequences of his plan, he sobered up"
sobering (Verb) — Become sober after excessive alcohol consumption. ex. "Keep him in bed until he sobers up"