1. [adv]  in a prudent manner; "I had allotted my own bedroom for necking, prudently removing both the bed and the key, and taken both myself and my typewriter into my son's bedroom."
2. [adv]  in a providential manner; as determined by providence; "his providentially destined role"
3. [adv]  in a fortunately providential manner; "providentially the weather remained good"

PROVIDENTIALLY is a 14 letter word that starts with P.