Established by reasoning (7)
I believe the answer is:
deduced
(Other definitions for deduced that I've seen before include "Worked out by reasoning" , "Arrived at by reasoning" , "Inferred" , "Gathered" , "Concluded" .)
I believe the answer is:
deduced
(Other definitions for deduced that I've seen before include "Worked out by reasoning" , "Arrived at by reasoning" , "Inferred" , "Gathered" , "Concluded" .)