The phrase "adopted ideas" is correct and usable in written English.
You can use it when referring to concepts or thoughts that have been accepted or taken on by an individual or group.
Example: "The committee discussed the adopted ideas from the previous meeting and decided to implement them in the new project."
Alternatives: "embraced concepts" or "accepted notions".
He has adopted ideas, like the individual mandate at the heart of his health insurance overhaul, that originated among conservative thinkers.
Many dismiss the globally adopted ideas about climate change as 'alarmism' among politicians and see it as new form of religion adopted by those wishing to suppress or control.
He has been invested heavily in ground organisers there, met and then adopted ideas of Black Lives Matter activists and made a number of campaign stops at historically black colleges.
Franklin Roosevelt adopted ideas that originated in the anger of Americans who had been — no other word for it — screwed by financial manipulators, but politically he had to fend off populists like Huey Long, rather than be a populist himself.
Although plans for relocating railroads were ignored, Chicago's city government eagerly adopted ideas for plazas, major thoroughfares that bridged railway tracks, a double-deck street along the river downtown, monumental bridge structures, and the preservation of the lakefront for park purposes inspired by Burnham's now-famous credo "Make no little plans".
Mr. Krsulic said that the M.T.A. was always looking for ways to drive up ad revenue and had adopted ideas like "station domination," where one company buys all the space at a train or subway station, and "brand trains," where a subway car carries ads from a single company.
The idea, Mr. Sánchez explained in a telephone interview, is to adopt ideas that have worked in other countries.
He said that he would be happy to adopt ideas that work, whether they come from FDR or Reagan.
On energy bills and payday lending, we've seen the government adopt ideas recently similar to ones proposed by Labour.
Congress often adopts ideas suggested by the commission, and hospital executives fear that could happen again as lawmakers search for ways to squeeze savings out of Medicare.
Be warned, though, that Mari Vanna seems to appeal to the fashion-forward, who are always keen to adopt ideas that reject current notions of restrained good taste.
