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

• Regnellidium diphyllum
• rego
• regorge
• regosol
• regrade
• regress
• regression
• regression analysis
• regression coefficient
• regression curve
• regression equation
• regression line
• regression of y on x
• regression toward the mean
• regressive
• regret
• regretful
• regretfully
• regrets
• regrettable
• regrettably
• regroup
• regrow
• regrowth
• regular