modus vi·ven·di 
(vĭ-vĕndē, -dī′)
(vĭ-vĕndē, -dī′)n. pl. modi vivendi
1. A manner of living; a way of life.
2. A temporary agreement between contending parties pending a final settlement.
[New Latin modus vīvendī : Latin modus, mode, Latin vīvendī, genitive sing. gerund of vīvere, to live.]