Cohabit with, live as if married to, as in I don't approve of my daughter living with her boyfriend. [Mid-1700s] Also see live together.
Put up with, come to terms with, as in I think I can live with this new agreement. [Colloquial; first half of 1900s] Also see learn to live with.
live with oneself. Keep one's self-respect, as in I don't know how he can live with himself after violating their trust. [Mid-1900s]