1) Accepted 2) Acknowledged 3) Established as genuine 4) Familiar 5) Known 6) Predictable 7) Presented evidence for 8) Recognizable 9) Referenced 10) Registered 11) Renowned 12) Standard 13) Well-known 1) Attested 2) Authenticated 3) Certificated 4) Certified 5) Credentialed 6) Echt 7) Genuine 8) Proven 9) Referenced 10) Written 
[adj] - furnished with or supported by documents
a record was kept
adjective furnished with or supported by documents; `the first documented case of shark attack in those waters`