What is "setting forth"

Usage examples of "setting forth".

And as with loving families throughout time, when faced with the prospect of a son or daughter setting forth, a sadness fills the breast even though happiness dwells there, too, happiness for the bright future shining before the child.

All had heard that the Prince was setting forth to kill a dragon in the Narcheska’.

So they laid another forty, mostly white side up, seeding enough strategically located black pieces so that when the game commenced and all the wound-up springs were released, a set of pulsing geometric patterns would embark on self-sustaining lifespans, setting forth to take part in the game's brief ecology.