The phrase "adopted a proposal" is correct and usable in written English.
It can be used when referring to the act of formally accepting or agreeing to a suggestion or plan, often in a professional or organizational context.
Example: "After much discussion, the committee adopted a proposal to improve the company's sustainability practices."
Alternatives: "accepted a proposal" or "endorsed a proposal".
Liberal Democrats Emissions: The party has adopted a proposal make Britain carbon-neutral by 2050.
And, third, Clinton recently adopted a proposal from Bernie Sanders to impose higher tax rates on very large bequests.
On July 22, the village board adopted a proposal for the county to prepare a comprehensive land use plan that will link Main Street to the Patchogue River.
Finally, Clinton has adopted a proposal, initially put forward by Senator Bernie Sanders, to provide more federal financing for low-cost, locally-run community health-care centers.
This year he has adopted a proposal from Tristram Hunt, the Labour MP (relating to the ceramics industry in his constituency).
The European commission has formally adopted a proposal for a financial transactions tax (FTT - somtimes called a "Tobin tax" after the economist who proposed taxing currency trades).
Eventually the framers resolved their disputes by adopting a proposal put forward by the Connecticut delegation.
But it stopped short of adopting a proposal to allow the banking regulators to overrule the S.E.C., which supervises the accounting board, on accounting rules.
Once the County Legislature and the executive formally ask the state to adopt a proposal, the plan will go to Albany for approval.
Adopting a proposal by Senator Charles E. Schumer, Democrat of New York, the plan would permit the commission to retain the fees it charges Wall Street.
Once, after the City Council approved a controversial mayoral initiative, Mr. Lynch was asked how he had persuaded council members to adopt a proposal that a month earlier was dead on arrival, but which passed with 10 votes to spare.
