"assertive way" is correct and can be used in written English.
You can use it when you are talking about the manner in which someone expresses themselves in a confident and decisive fashion. For example, "He handled the difficult situation in an assertive way."
There is probably no more assertive way to begin a violin recital than with this towering, unaccompanied set of variations.
She was a very Southern beauty, very gentle, very quiet; in her little assertive way, though, there was a lot of steel in that lady".
It isn't the most robust defence – "which I don't think is such a bad thing at all" – but it's robust enough in its modestly assertive way.
The way he handled visual images was characteristic of the way he wrote, determined not to make his point in an assertive way, but with implication and suggestion.
That's because of the way many girls are brought up, she says — resulting in the feeling that "there might be backlash against me if I negotiate in a very assertive way".
2. The terroir was propitious for this year's Banished Secretary 2018, whose taste lies primarily beneath the surface, its low notes shivering with incautious power, owing to the convergence of double allegations whose force pairs them in an assertive way.
Karzai was already unnerved by reports about Ashdown's assertive ways during his time as international high representative in Sarajevo.
For example, explains author Joan Williams of the University of California Hastings College of the Law in San Francisco, in an interview, "although all women who behave in assertive ways risk being seen as unlikable," about half of the women who participated in the study reported experiencing backlash for behaving in a "masculine" way.
Your child has practiced ignoring the bully, avoiding his tormentors, standing up to mean kids in assertive ways, tried to enlist his teacher's support and used humor to deflect the bully's taunting.
Being nice to everyone on first meeting and cutting people some slack for initial bad reactions can help, but if it doesn't help, seek effective, assertive ways to deal with difficult people.
On November 19th the China's official news agency, Xinhua, published a commentary arguing that if the United States sticks to its cold-war mentality and continues to engage with Asian nations in a self-assertive way, "it is doomed to incur repulsion in the region".
