noun

1. an inventing or being invented
2. the power of inventing; ingenuity or creativity
3. something invented; specif.,
   1. something thought up or mentally fabricated; esp., a falsehood
   2. something originated by experiment, etc.; new device or contrivance
4. Music a short composition, usually for a keyboard instrument, developing a single short motif in counterpoint; esp., any of a group of these by J. S. Bach

Etymology: ME inuencioun < OFr invencion < L inventio