Noah Webster
Happily
HAP'PILY, adverb [See Happy.] By good fortune; fortunately; luckily; with success.
Preferr'd by conquest, happily o'erthrown.
1. In a happy state; in a state of felicity.
He lived happily with his consort.
2. With address or dexterity; gracefully; in a manner to ensure success.
Formed by thy converse, happily to steer
From grave to gay, from lively to severe.
3. By chance. [See Haply.]