ppl. a. Favorably or fully started. Chiefly in proverb (see quot. 1639).

1

1543.  Udall, Erasm. Apoph., 38. For accordyng to our englishe prouerbe, a thyng well begoonne, is more then halfe dooen.

2

1639.  J. Clarke, Parœm., 3. Well begun is halfe done.

3

1742.  Young, Nt. Th., IX. 2066. And dost thou chuse what ends, ere well-begun?

4