Pronunciation: (in-vent'),[key] —v.t. 1. to originate or create as a product of one's own ingenuity, experimentation, or contrivance: to invent the telegraph. 2. to produce or create with the imagination: to invent a story. 3. to make up or fabricate (something fictitious or false): to invent excuses. 4. Archaic.to come upon; find.