The phrase "a plan was devised" is correct and usable in written English.
It can be used when describing the creation or formulation of a strategy or course of action.
Example: "After several meetings, a plan was devised to improve the company's marketing strategy."
Alternatives: "a plan was created" or "a plan was formulated."
To get more customers a plan was devised by the central office.
In the midst of the second world war, even as bombs fell and the city burned, a plan was devised to respond to London's growth.
With the willing co-operation of the excluded unions, a plan was devised to give unions with more than 100,000 members an automatic seat on the general council.
Through legislation a plan was devised whereby landlords, many of whom lived in the cities, were forced to divest themselves of a high proportion of their holdings to the government.
A plan was devised to keep Nick at home until the last possible moment and then to transport him to a hospital, where an informal protocol had been set up to help him become an organ donor.
But at a meeting on the site of representatives of Portman Properties, the Landmarks Commission and the New York State Urban Development Corporation, a plan was devised for safely taking down the facade.
Senator John McCain, the Arizona Republican who chairs the Armed Services Committee, said that for too long the United States strategy had been "not to lose," and urged that a plan be devised to break the stalemate.
Under a plan being devised by the state and the system's new management company, as many E-ZPass lanes as possible will be relocated on the left side of the plazas over the coming year.
A simple plan was devised to combine a larger alkali metal (potassium) with a smaller fitting cap (TMEDA instead of tridentate PMDETA) in the hope of encouraging closer intramolecular contact between incipient anion bridges as two distinct metal compounds approach each other to generate a bimetallic assembly.
Should referenda proceed in other countries, while a rescue plan was devised?
It would take $25 million, he knew, "just to turn the lights on". A complex plan was devised, with Buccini/Pollin, local foundations, and the city of Wilmington all chipping in, plus historic-preservation tax credits and money raised from benefit concerts.
