S: (v) sober up, sober (become more realistic) "After thinking about the potential consequences of his plan, he sobered up"
S: (v) sober up, sober (become sober after excessive alcohol consumption) "Keep him in bed until he sobers up"
Adjective
S: (adj) sober (not affected by a chemical substance (especially alcohol))
S: (adj) grave, sedate, sober, solemn (dignified and somber in manner or character and committed to keeping promises) "a grave God-fearing man"; "a quiet sedate nature"; "as sober as a judge"; "a solemn promise"; "the judge was solemn as he pronounced sentence"
S: (adj) drab, sober, somber, sombre (lacking brightness or color; dull) "drab faded curtains"; "sober Puritan grey"; "children in somber brown clothes"