Documentary
WordNet
adjective
(1) Emphasizing or expressing things as perceived without distortion of personal feelings, insertion of fictional matter, or interpretation
"Objective art"
(2) Relating to or consisting of or derived from documents
noun
(3) A film or TV program presenting the facts about a person or event
WiktionaryText
Etymology
From adjective and (hence) noun documentaire, from document, from documentum.
Adjective
- of, related to, or based on documents.
- which serves to document (record and:or illustrate) a subject.
- presented objectively without the insertion of fictional matter.