The phrase "approved the concept" is correct and usable in written English.
You can use it when indicating that a proposal or idea has been formally accepted or sanctioned by an authority or decision-making body.
Example: "The board met last week and approved the concept for the new marketing strategy."
Alternatives: "endorsed the idea" or "validated the proposal."
Mitchell approved the concept, which was dubbed veega, for "Venus Earth Earth Gravity Assist".
Senior national security aides approved the concept of the mission at a White House meeting almost two months ago and put the Pentagon in charge of it.
After the Thalis team was pushed aside, Sartor approved the concept plan for 388,300 sq m of floorspace in February 2007.
The board approved the concept of combining the lots pending further reports and with the understanding that at least three apartments would be designated as affordable housing.
The N.F.L. approved the concept but wanted the statue to have a bronze tint and the figure to have a more up-to-date look.
Congress approved the concept in 1993, but opponents of the site, including some World War II veterans, say it would cut the Mall in half, violating both its spirit and its sight lines.
But this time there's a twist - rather than illustrate the works of long-dead authors, he's gone for modern-day fantasy writers, including Neil Gaiman, Patricia Briggs, George RR Martin, Terry Pratchett and Jim Butcher, who approved the concepts and illustrations of their own characters.
After that's done, the legislature needs to approve the concept again – something, no doubt, the financial services industry once again will try to stop.
But Mr. Sheng cautioned that even once the leadership approves the concept of deposit insurance, it could take a full year just to draft the necessary legislation.
Mr. Kahl's colleagues said that Lisa Monaco, Mr. Obama's homeland security adviser, told the national security staff in early January that Mr. Obama was not prepared to approve the concept for the raid.
