Blessedness

The state of being blessed; happiness; felicity; bliss; heavenly joys; the favor of God.

The assurance of a future blessedness.

Single blessedness, the unmarried state. «Grows, lives, and dies in single blessedness.» Shak.

Syn. -- Delight; beatitude; ecstasy. See Happiness.

noun

1. The quality of being holy or sacred: holiness, sacredness, sacrosanctity, sanctity. See religion.
2. A condition of supreme well-being and good spirits: beatitude, bliss, cheer, cheerfulness, felicity, gladness, happiness, joy, joyfulness. See happy/unhappy.

The noun has one meaning:

Meaning #1: a state of supreme happiness
  Synonyms: beatitude, beatification