to exist; be alive (the more usual words)
existent
Cases of word usage
1) a building in which monks or nuns live as a community in the service of God (abbey)
2) an animal able to live both on land and in water (amphibian)
3) a large building or buildings for soldiers to live in (barracks)
4) (of poetry etc) concerning the countryside and the people who live outside the towns (bucolic)
5) a place where tourists, soldiers, explorers etc live in tents or huts (camp)
6) (of an unmarried couple) to live together as husband and wife (cohabit)
7) to have as one's home; live in (which is more usual) (dwell)
8) the planet on which we live (earth)
9) to make a small supply of something enough to live on, enough for one's needs etc (eke)
10) to go away from one's own country to live another (emigrate)