Proven; shown to be true with evidence.
The word "slæpwerig" (sleep-weary) is attested in the Exeter Book in the form "slæpwerigne".
Supported with testimony.
Certified as good, correct, or pure.
Of words or languages, proven to have existed by records.
Of or providing evidence.
A syntactic element (affix, clitic, or particle) that indicates evidentiality.