liv·en 
/ˈlaɪvən/ verb
liv·ens; liv·ened; liv·en·ing /ˈlaɪvən/ verb 1 [+ obj] : to make (something) more lively, interesting, or exciting
▪ He played some music to liven the atmosphere. — usually + up ▪ She tried to liven up [=enliven] her speech with a few jokes. ▪ He suggested that we liven things up with a friendly bet on the game. 2 [no obj] : to become more lively, interesting, or exciting — + up ▪ The party really livened up after she arrived.
▪ He played some music to liven the atmosphere. — usually + up ▪ She tried to liven up [=enliven] her speech with a few jokes. ▪ He suggested that we liven things up with a friendly bet on the game.
