Proven
WordNet
adjective
(1) Established beyond doubt
"A proven liar"
"A Soviet leader of proven shrewdness"
WiktionaryText
Adjective
- Having been proved; having proved its value or truth.
- It's a proven fact that morphine is a more effective painkiller than acetaminophen is.
- Mass lexical comparison is not a proven method for demonstrating relationships between languages.
Verb
proven