This turbulent ruler was a very go-ahead monarch indeed. He organised a splendid army, well-drilled and well-equipped with modern arms.
You can start as soon as you get the go-ahead from the president.
The pitcher gave up the go-ahead run in the top of the ninth inning.
... best sellers, category browsing, et cetera. Why don't we go ahead and look at something ...
... GO AHEAD, SHOW HIM, JACK. ...