documentation

noun

doc·​u·​men·​ta·​tion ˌdä-kyə-mən-ˈtā-shən 

-ˌmen-,

-kyü-

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: the use of historical documents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

documentational

ˌdä-kyə-mən-ˈtā-sh(ə-)nəl 

-ˌmen-

-kyü-

adjective

Synonyms

• evidence
• proof
• testimony

Examples of documentation in a Sentence

You cannot visit the country unless you have the proper documentation.

Keep your receipts as documentation of your purchases.

Can you provide documentation of the claims you're making?

The program's documentation is poorly written.

Recent Examples on the Web

The administration has repeatedly asked that people without proper documentation self-deport. —Mandy Taheri, MSNBC Newsweek, 3 Oct. 2025

The releases followed efforts by attorneys from the Center for Immigration Law and Policy at the UCLA School of Law, along with the Venezuelan American Caucus, an advocacy group, which submitted documentation in support of at least 400 cases nationwide. —Veronica Egui Brito, Miami Herald, 3 Oct. 2025

Business owners cannot, however, demand documentation or ask that the dog demonstrate the task it was trained to perform. —Anna Kleiber, jsonline.com, 3 Oct. 2025

The company develops tools to automate documentation-heavy, repetitive work at nuclear plants. —Sasha Hupka, AZCentral.com, 3 Oct. 2025

Word History

First Known Use

1884, in the meaning defined at sense 1

Rhymes for documentation

• abbreviation
• abomination
• acceleration
• accentuation
• accommodation
• accreditation
• acculturation
• accumulation
• acetylation
• adjudication
• administration
• adulteration

Kids Definition

documentation

noun

doc·​u·​men·​ta·​tion ˌdäk-yə-mən-ˈtā-shən 

-ˌmen-

1

: the providing of documents as proof

2

: evidence in the form of documents

3

: written instructions for using a computer or computer program