(PW) make a successful beginning, go ahead

He will finally take his project and get it off the ground in the coming year.

(free) Verb1.get off the ground - get started or set in motion, used figuratively; "the project took a long time to get off the ground"

(UsingEnglish)

If a project or plan gets off the ground, it starts to be put into operation.

(MW)

— off the ground

: in or as if in flight : off to a good start off the ground>