"a suitable stage" is correct and usable in written English.
You can use it when referring to a particular point in time where something may take place, usually when introducing something. For example: "We now have a suitable stage to introduce our new product line."
In the multi-streams paradigm we are dealing with different feature sets independently to estimate the same task, and then combining their results at a suitable stage.
The rational soul is infused into the body directly by God when the fetus reaches a suitable stage of organization, and the prior animal or sensitive soul in the fetus ceases to be.
This data set allows estimating how the learning process is evolving and stopping the learning process in a suitable stage where the generalization capabilities of the MLP are maintained.
If you don't have a suitable stage, make one!
All in all, "Sweet Home Alabama" makes a suitable staging post in Witherspoon's headlong career.
Yet any production of "Billy Budd" must convey the expanse of the sea and provide a suitable staging platform for a climactic battle scene.
Possession of Caen and its surroundings would give the Anglo-Canadians a suitable staging area for a push south to capture the town of Falaise.
Possession of Caen and its surroundings would provide a suitable staging area for a push south to capture the town of Falaise.
Possession of Caen and its surroundings would give Second Army a suitable staging area for a push south to capture Falaise, which could be used as the pivot for a swing left to advance on Argentan and then towards the Touques River.
Possession of Caen and its surroundings would give Second Army a suitable staging area for a push south to capture the city of Falaise, which could then be used as a pivot for a swing left to advance on Argentan, the Touques River and then towards the River Seine.
Possession of Caen and its surroundings desirable for open terrain that would permit maneuver warfare would also give the Second Army a suitable staging area for a push south to capture Falaise, which could be used as the pivot for a swing right to advance on Argentan and then the Touques River.
