What does "warrantable" mean?

Warrantable: Authorized by commission, precept, or right; justifiable; defensible; as, the seizure of a thief is always warrantable by law and justice; falsehood is never warrantable. His meals are coarse and short, his employment warrantable, his sleep certain and refreshing. South. -- War"rant*a*ble*ness, n. -- War"rant*bly, adv.