'Godspeed' definitions:

Definition of 'Godspeed'

(from WordNet)
noun
A successful journey; "they wished him Godspeed"

Definition of 'Godspeed'

From: GCIDE
  • Godspeed \God"speed`\ (g[o^]d"sp[=e]d`), n. Success; prosperous journeying; -- a contraction of the phrase, "God speed you." [Written also as two separate words.] [1913 Webster]
  • Receive him not into house, neither bid him God speed. --2 John 10. [1913 Webster]