reputedly
Definitions
According to general belief or popular report.
Supposedly or allegedly, often without definitive proof.
Examples
The ancient castle is reputedly haunted by the ghost of a former queen.
He is reputedly one of the wealthiest investors in the country, though he keeps a very low profile.
Synonyms
supposedly allegedly reportedly ostensibly purportedly by all accounts it is said
Antonyms
certainly definitely provenly factually verifiably undeniably in reality