Meaning : According to circumstances.
							Example : 
							He was convicted circumstantially.
							
Meaning : Insofar as the circumstances are concerned.
							Example : 
							The account was circumstantially accurate.
							
Meaning : In minute detail.
							Example : 
							Our inability to see everything minutely and clearly is due merely to the infirmity of our senses.
							
Synonyms : minutely
Meaning : Without advance planning.
							Example : 
							They met accidentally.
							
Synonyms : accidentally, by chance, unexpectedly
With intention. In an intentional manner.
He used that word intentionally.