good_day
1. [ noun ] a farewell remark
Synonyms: good-bye adieu adios cheerio au_revoir auf_wiedersehen goodbye good-by goodby bye-bye bye sayonara so_long arrivederci
Examples:

"they said their good-byes"

Related terms: farewell
Similar spelling:   goody
  Gouda
  Goode
  Gowdy
  Goudy
  Godoy