This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

n. The act of enlivening; animation

n. The act of enlivening or of making or becoming live, vigorous, or active.

n. The act of making or becoming gay, animated, or vivacious.

"They've made the choice to create a kind of enlivenment packaged as entertainment that presents the baser side of human experience, knowing that humans, out of their boredom, self-doubts, or lack of fulfillment, can be attracted to the negative if they don't have the option of turning to the positive that's packaged in an equally entertaining fashion."