(Noun) Used in a way that it sounds highly intelligent, yet has no true meaning.
Person A: Reginald, tell me again how you received your Nobel Prize.
Person B: Certainly, Vincent. I rationally hypothesized how to fosticate a quantum time warp, which resulted in my thesis of a space-time continuum. Indubitively, this developed a new field in cognitive learning, and granted me the Nobel Prize for Fostication.
Person A: Impressive.