\Hap"py\, a. [Compar. {Happier}; superl. {Happiest}.]
[From {Hap} chance.]
1. Favored by hap, luck, or fortune; lucky; fortunate;
   successful; prosperous; satisfying desire; as, a happy
   expedient; a happy effort; a happy venture; a happy omen.

         Chymists have been more happy in finding experiments
         than the causes of them.              --Boyle.

2. Experiencing the effect of favorable fortune; having the
   feeling arising from the consciousness of well-being or of
   enjoyment; enjoying good of any kind, as peace,
   tranquillity, comfort; contented; joyous; as, happy hours,
   happy thoughts.

         Happy is that people, whose God is the Lord. --Ps.
                                               cxliv. 15.

         The learned is happy Nature to explore, The fool is
         happy that he knows no more.          --Pope.

3. Dexterous; ready; apt; felicitous.

         One gentleman is happy at a reply, another excels in
         a in a rejoinder.                     --Swift.

{Happy family}, a collection of animals of different and
   hostile propensities living peaceably together in one
   cage. Used ironically of conventional alliances of persons
   who are in fact mutually repugnant.

{Happy-go-lucky}, trusting to hap or luck; improvident;
   easy-going. ``Happy-go-lucky carelessness.'' --W. Black.