circumstantially in WordNet English dictionary

1. without advance planning
   "they met accidentally"
   by chance  accidentally  circumstantially  unexpectedly  by chance  accidentally  circumstantially  unexpectedly 
   
2. insofar as the circumstances are concerned
   "the account was circumstantially accurate"
   circumstantially  circumstantially 
   
3. in minute detail
   "our inability to see everything minutely and clearly is due merely to the infirmity of our senses"
   minutely  circumstantially  minutely  circumstantially 
   
4. according to circumstances
   "he was convicted circumstantially"
   circumstantially  circumstantially