As a Noun: 1. A machine, system (or even idea) that has been thought of or made for the first time by someone. English = invention, discovery. 2. A new thing or a new way of doing something. English = innovation. As a Verb or Adjective: 1. To think of or make something for the first time. English = invent, discover. Informal English = come up with something. 2. To introduce changes and new ideas. English = innovate.