[adjective]Circumstantial evidence is information, esp. about a crime, which is not firm proof but is based on related events.No-one saw him commit the murder, but the circumstantial evidence is strong, as he was the only person missing when it happened.Circumstantial evidence points to a viral agent for the disease, although a virus has not yet been identified.
CIRCUMSTANTIAL
Meaning of CIRCUMSTANTIAL in English
Cambridge English vocab. Кембриджский английский словарь. 2012