The word "wilfulness" is correct and usable in written English.
It is typically used to describe the quality of being deliberate or intentional, often in a stubborn or obstinate manner.
Example: "His wilfulness in refusing to follow the rules led to serious consequences."
Alternatives: "Intentionality" or "Deliberateness."
The telling finding was that the parents were more likely to assume the boy's ADHD expressed his intentions, was wilful, advocating harsh responses: as in the other studies, attributing in-built wilfulness increases authoritarianism.
It is hard to see the violence as simply the wilfulness of a small minority – it is a genuine expression of frustration against the few who seem determined to make the future a miserable, small-minded and debt-filled place for the many.
The process by which the poll tax was agreed was, he believes, a textbook illustration of the dangers of prime ministerial wilfulness.
The president and his allies regularly impugn Mr Rafsanjani's integrity and that of his children, one of whom happens to run the Tehran metro.True to his reputation for wilfulness, Mr Ahmadinejad seems to have turned a deaf ear to Mr Khamenei's request that he lay off Mr Rafsanjani, who remains a firm if undeclared supporter of the opposition movement.
Thanks to his wilfulness and bellicosity, this posturing ninny bears substantial responsibility for the deaths of 10m people.
Since then, a host of biographers have tried to make sense of the turbulent, troubled life of a great jazz artist who seemed bent on self-destruction from drugself-destruction fromher own wilfulness.
The real sanctions are the ones Mr Deng's wilfulness has already brought directly upon himself.He has destroyed the confidence which, however fragile, had managed to keep the people of Hongkong resigned to their fate as the date approaches in 1997 when Britain will yield up the colony to China.
As a defining image, it reflects other qualities: stubbornness, wilfulness and mischief.
But Chaplin's wilfulness may also have been due to the fact that he was a multi-millionaire and one of the most famous men in the world: better known, as he once observed, than Jesus: a remark that got him into considerably less trouble than it did John Lennon.
Her wilfulness is tamed by the wild landscape.
These are all reasonable dilemmas at the outset of anyone's career, but the script has her consistently wavering, until fate and the fashion gods take the decision out of her hands lest she dirty them with the smears of ambition or wilfulness.
