2.
to bring something back after it declined in condition or popularity; to breathe new life into something (not from death!)
3.
to exist, or to stay alive
4.
necessary, or essential to life
6.
the act of cutting open live animals for science
7.
a food substance that aids health
8.
attractively animated, or lively (related to a person)
9.
friendly, lively, and enjoyable (atmosphere or event).