Nouns

(n)document, written document, paperswriting that provides information (especially information of an official nature)
(n)documentanything serving as a representation of a person's thinking by means of symbolic marks
(n)documenta written account of ownership or obligation
(n)text file, document(computer science) a computer file that contains text (and possibly formatting instructions) using seven-bit ASCII characters

Verbs

(v)documentrecord in detail“The parents documented every step of their child's development”
(v)documentsupport or supply with references“Can you document your claims?”