The phrase "acted voluntarily" is correct and usable in written English.
It can be used to describe an action taken by someone of their own free will, without coercion or external pressure.
Example: "She acted voluntarily when she decided to help the community by organizing the charity event."
Alternatives: "acted of one's own accord" or "took action willingly."
She added: "All the women I've spoken to say that [the women acted voluntarily] could not be further from the truth.
But political action to protect the ozone layer started even before the Antarctic ozone hole was discovered, as citizen consumers in the United States, Canada and Europe acted voluntarily to boycott the ubiquitous spray cans — an average of 15 cans in every household — that used CFCs as propellants for hair spray, deodorants and many other products.
Between the characters shuttles the suitably named Wurm, the President's revolting steward, who arrests Miller on a trumped-up charge, blackmails Luisa to fabricate evidence of infidelity to Ferdinand, and forces her to swear at the price of her father's life, to proclaim she has acted voluntarily.
For example, he inferred from (1) "Typically, when one acts, it would be inappropriate to say either that one acted voluntarily or that one acted involuntarily" to (2) "Typically, when one acts, one acts neither voluntarily nor involuntarily".
The political economist often asks not whether welfare the rule induces pareto efficiency but whether the parties have acted voluntarily, consented to the rule, or would have (rationally) consented to the rule.
Another issue is the difficulty of ensuring that sample donors have acted voluntarily and on an informed basis.
Charity Apologizes Social Changee Demands When you are voluntarily acting on behalf of a charity and asking others also to act voluntarily on behalf of the charity, you are often apologizing for the interruption to their "real work".
She pilloried some academics' notion of prostitutes as "sex workers" who act voluntarily and gain a certain liberation, even sexual equality, by being compensated.
Most important, Congress must not continue with efforts that have not worked to date, namely, appeals to the mortgage industry to act voluntarily to help distressed borrowers.
Prime Minister Harold Macmillan's government argues that negotiations will become inevitable sooner or later and it would be better for the West to act voluntarily before being forced to do so by Soviet pressure.
Automakers often act voluntarily to recall vehicles to minimize negative publicity after a defect is discovered, but in this case no one has determined that a defect officially exists.
