A word that means "all-good," this is usually applied to God. It is generally defined as "The quality of always choosing the most morally good option out of several different ones."
Problems with Omnibenevolence
Also, defining God as omnibenelovent contradicts the numerous Old Testament verses in which he orders genocide and murder as well as Isaiah 45:7 which has God saying "I form the light, and create darkness: I make peace, and create evil: I the LORD do all these.".