Scientists at Northwestern University, inspired by the faux pundit’s ability to neologize, created a set of nouns for “Colbertian,” which they could use to test the effects of bilingualism.
-- Amina Khan, “Bilingualism: Stephen Colbert's 'truthiness' inspires a language,” The Los Angeles Times, 2012
In the meanwhile, necessity obliges us to neologize.
-- Thomas Jefferson, “To John Waldo,” 1813, Jefferson: Political Writings, 1999
Neologize joins the Greek neo meaning "new" with a variant on –logy, a combining form derived from the Greek logos meaning "word, speech, discourse, reason." This verb entered English in the early 1800s.