What is the meaning of Felicity?

The condition of being happy.

1. Intense happiness.

   Intense happiness.

   An instance of intense happiness.

   An apt and pleasing style in speech, writing, etc.; an apt and pleasing choice of words.

   Good luck; success; An instance of unexpected good luck; a stroke of luck; also, a lucky characteristic.

   Reproduction of a sign with fidelity.

   Something that is either a source of happiness or particularly apt.

   Period (as opposed to lifetime) utility.

   Source: wiktionary.org