Old English godlic "excellent; comely fair;" see good (n.) + -ly (1). From c. 1200 as "considerable in size or number." Similar formation in Old Frisian godlik, Old High German guotlih, Old Norse godhligr. Related: Goodliness.
a goodly amount
good-bye
good-day
good-for-nothing
good-humored
good-looking
goodly
goodman
good-natured
good-neighbor
goodness
good-night