The phrase "action is prepared" is correct and usable in written English.
It can be used in contexts where you want to indicate that a specific action has been arranged or set up in advance.
Example: "The action is prepared, and we are ready to proceed with the next steps in the project."
Alternatives: "action is arranged" or "action is set up."
The highly classified document, entitled "CentCom Courses of Action," was prepared by planners at the Central Command in Tampa, Fla., according to the person familiar with the document.
It was emphasized, however, that predictions were of little value until the factors controlling climate change were better understood The report, entitled "Understanding Climatic Change — a Program for Action," was prepared by the United States Committee for the Global Atmospheric Research Program.
If you want someone to take action, be prepared to follow up.
With this improved visibility, we can view a little more clearly the course of action being prepared by Iran, Russia and the Syrian government.
Unless you are prepared to argue that a member of Moms Demand Action was preparing to take out one of the Open Carry protestors by hurling a ham sandwich at his head, any support for these tactics is a direct repudiation of 2nd Amendment rights and nothing more than support for a bully with a gun.
In the four years after he left the court with a clenched-fist salute, she visited him in various high-security jails while appeals and other legal actions were prepared.
Washington Post: "Mousavi made no public appearances Sunday and some analysts in Tehran were concerned that the [state's] media campaign, which featured at least one militia leader and a law professor questioning the legality of his actions, was preparing the ground for his arrest.... Authorities appeared to be seeking to blame the violence on radicals.
By mirroring the observed action, the brain is prepared to execute the same action.
And she said that in the next weeks teachers would find "what action Nicky Morgan is prepared to take to bring about very significant change".
RMT general secretary Bob Crow told a news conference: "We are prepared to suspend the industrial action if the mayor is prepared to suspend the job losses.
