The Collaborative International Dictionary of English v.0.48:
Blessedness \Bless"ed*ness\, n. The state of being blessed; happiness; felicity; bliss; heavenly joys; the favor of God. [1913 Webster] The assurance of a future blessedness. --Tillotson. [1913 Webster] Single blessedness, the unmarried state. "Grows, lives, and dies in single blessedness." --Shak. [1913 Webster] Syn: Delight; beatitude; ecstasy. See Happiness. [1913 Webster]