Noun

Peri Brown and the Sixth Doctor respectively suggested "bevy" and "inspiration" as the noun for a collection of geniuses, though neither were sure which was correct. (TV: The Mark of the Rani)

They're All Nouns You Idiot, more commonly known as Noun, was a human colony planet which gained its name from bad-tempered and mistranslated natives. (PROSE: Ghost Devices)

According to the Eleventh Doctor, the word "toggle" was a "excellent verb" and a "nice noun". (TV: Hide)