documentary
adjective
[ dɒkjʊˈmɛnt(ə)ri ]
• consisting of or based on official documents.
• "documentary evidence of regular payments from the company"
Similar:
recorded,
documented,
registered,
written,
chronicled,
archived,
archive,
on record,
in writing,
on paper,
tabulated,
charted,
• using pictures or interviews with people involved in real events to provide a factual report on a particular subject.
• "a documentary programme about Manchester United"
documentary
noun
• a film or television or radio programme that provides a factual report on a particular subject.
Origin:
early 19th century: from document + -ary1.