Merriam-Webster Dictionary

Main Entry:doc£u£men£ta£tion
Pronunciation:-m*n-*t*-sh*n, -*men-
Function:noun
Date:1884

1 : the act or an instance of furnishing or authenticating with documents
2 a : the provision of documents in substantiation; also : documentary evidence b (1) : the use of historical documents (2) : conformity to historical or objective facts (3) : the provision of footnotes, appendices, or addenda referring to or containing documentary evidence
3 : INFORMATION SCIENCE
4 : the usually printed instructions, comments, and information for using a particular piece or system of computer software or hardware
–doc£u£men£ta£tion£al \-shn*l, -sh*-n*l\ adjective

Mike :)