The word testificate is defined as a writing wherein a fact is attested; a certificate, the suffix -ficate means to make/do/build, and the prefix test- means to bear witness.

What is the definition of Testificate?

(tɛˈstɪfɪˌkeɪt) n. obsolete Scot a document of evidence.

Where does the word Testificate come from?

TESTIFICATE is a reference to the Game "Dwarf Fortress", one of Notch's inspirations for Minecraft.