be·at·i·tude 
(bē-ătĭ-td′, -tyd′)
(bē-ătĭ-td′, -tyd′)n.
1. Supreme blessedness or happiness.
2. Beatitude Any of the declarations of blessedness made by Jesus in the Sermon on the Mount.
3. Beatitude Used as a title and form of address for a patriarch in the Armenian Church or a metropolitan in the Russian Orthodox Church: Your Beatitude.
[Middle English, from Old French, from Latin beātitūdō, from beātus, happy; see BEATIFIC.]