"voluntarily supported" is correct and usable in written English.
You can use it when talking about someone willingly helping or providing assistance to another person or organization. For example: "The volunteer organization was voluntarily supported by numerous local donors."
Civilians, "especially young people," had voluntarily supported the movement, he said.
"So when the channel was launched, a lot of my YouTube friends and people in the community just voluntarily supported it and talked about it and shared it with their community... and it was great".
In his anarcho-capitalist model, a system of protection agencies compete in a free market and are voluntarily supported by consumers who choose to use their protective and judicial services.
The company says a ban would also imperil the ambitious Gulf Coast restoration efforts that officials want the company to voluntarily support.
Some businesses get it by voluntarily supporting employees on this front.
They won't voluntarily support Bernstein's tax reforms, meaning that these reforms will never happen without concerned anti-Apple pressure to get Apple to do what Apple would not do on its own.
That option would be the one that would seem most logical to a ferocious opponent of Obamacare, which is joining one of the several organizations (most of which are religious) made up of individuals that voluntarily support each other through their contributions.
If there are enough volunteers to sustain research, there is no need to conscript more; if people voluntarily support public institutions through donation, there is no need to levy taxes.
Despite being in a country and among people who had worked tirelessly (and often voluntarily) to support UN Women there were obvious political differences between her and May, the most senior female member of the coalition government.
The interim New York City schools chancellor, Harold O. Levy, is barring the roughly 70,000 students who want to attend summer school voluntarily, and you support him because of the "realities" of the teacher contract dispute (editorial, April 4).
It is necessary to change the psychology of the American citizens so that they will voluntarily and generously support their government and worldwide efforts to change the economy, technology and level of living of billions of people.
