1. In a grave and sober manner
   - soberly, staidly 
2. To a severe or serious degree
   "is gravely ill"
   - badly, severely, seriously, critically

See also: grave

• evidently
• evil
• evil eye
• evil spirit
• evil-looking
• evil-minded
• evildoer
• evildoing
• evilly
• evilness
• evince
• eviscerate
• evisceration
• evitable
• evite
• evocate
• evocation
• evocative
• evocatively
• evoke
• evoked
• evoked potential
• evolute
• evolution
• evolutionarily