Antonyms of adj undocumented

1 sense of undocumented

Sense 1
undocumented (vs. documented) -- (lacking necessary documents (as for e.g. permission to live or work in a country); "undocumented aliens"; "undocumented tax deductions")

documented (vs. undocumented) -- (furnished with or supported by documents; "the first documented case of shark attack in those waters")
        => referenced -- (supported with written references or citations; "a carefully referenced biography")
        => registered -- ((of a boat or vessel) furnished with necessary official documents specifying ownership etc)

Similarity of adj undocumented

1 sense of undocumented

Sense 1
undocumented (vs. documented) -- (lacking necessary documents (as for e.g. permission to live or work in a country); "undocumented aliens"; "undocumented tax deductions")
       => unregistered -- ((a boat or vessel) not furnished with official documents)