Definition of "liven"
liven1
/ˈlaɪvən/
verb
third-person singular simple present livens, present participle livening, simple past and past participle livened
(transitive, intransitive) To cause to be more lively, or to become more lively.
Quotations
Bacon's Rebellion (p. 54) has no political meaning for Mr. Bruce. Champlain's fight with the Iroquois is told to liven the narrative with a fight (p. 36), but the far-reaching result is merely hinted in a manner that means nothing to one who doesn't know. The ideals and purposes of the Jesuits are not mentioned.
1905, The American Historical Review, the American Historical Association, page 380
[…] to invigorate and liven the spirits.
2003, Sarah Garland, The Herb Garden, page 69
liven2
/ˈlɪvən/