"wide approval" is correct and usable in written English.
You can use it to describe a situation where a large number of people agree or support a specific idea or opinion. For example, "The proposed policy received wide approval from the community."
He noted that a similar plan had won wide approval in the House on another measure.
The Fisa court is in the habit of granting wide approval to the government.
Garcia's decision in Texas overturned a constitutional amendment that enjoyed wide approval when it was passed in 2005.
The complaints were not without merit, yet the proposed alternatives won neither universal nor even wide approval.
Around Washington, Dr. Chu draws wide approval for emphasizing energy efficiency and new technology as approaches to the problems of energy prices and global warming.
The summit has won wide approval in South Korea, where there were palpable fears of military action at the end of last year.
More recently, the pill has won much wider approval.
In August, Lilly began marketing Cymbalta and won wider approval for the lung cancer drug Alimta.
A compromise that had come together late Monday night – in which Mitt Romney's team seemed to back off many of its proposed changes — was still awaiting wider approval from activists.
Any worries that wider approval might have dimmed Williamson's anger prove to be unfounded: Key Markets finds him railing against politicians – Clegg, Miliband ("a chirping cunt"), Boris Johnson – as well as less obvious targets, includin gearly-00s garage rockers the Von Bondies and model David Gandy.
They even arranged the underground laboratory to ensure its two entrances were in different communities so they could pay them both off and ensure wider approval.
