1754, "admonition," from Medieval Latin documentationem (nominative documentio) "admonition" (see document). Meaning "furnishing with documents or papers" is from 1884, probably from document. Meaning "collection of informational papers" is from 1927.
1. I couldn't enter the country because I didn't have all the necessary documentation.
2. In Chapter 3, I shall describe some of the documentation that I gathered.
3. Britain's trade figures can no longer be extracted from export-and-import documentation at ports.
4. Further investigation was hindered by the loss of all documentation on the case.