1. According to circumstances
   "he was convicted circumstantially" 
2. Insofar as the circumstances are concerned
   "the account was circumstantially accurate" 
3. In minute detail
   - minutely 
4. Without advance planning
   - by chance, accidentally, unexpectedly

See also: circumstantial

• command line
• command line interface
• command module
• command overhead
• command post
• command processing overhead
• command processing overhead time
• command prompt
• command sergeant major
• commandant
• commandeer
• commander
• commander in chief
• commandership
• commandery
• commanding
• commanding officer
• commandment
• commando
• comme il faut
• commedia dell'arte
• commelina
• Commelinaceae
• Commelinales
• Commelinidae