What does the word enliven mean?

Usage examples for enliven

  1. Three brawny, perspiration- streaked young fellows were engaged in loading bags of sand on the stripped cars about to start out, to supply the weight of the missing bodies, and whistling rag- time melodies to enliven their labors. – From the Car Behind by Eleanor M. Ingram
  2. And his efforts to enliven his companion were persistent- and successful. – The Pines of Lory by John Ames Mitchell
  3. No doubt they found existence a dull affair, and felt the need of something to enliven it. – The Foot-path Way by Bradford Torrey