happy adjective [comparative Happier (-pĭ-ẽr); superlative 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.