authoritatively

She speaks very authoritatively and knowledgeably about this issue, she is committed to campaigning on it for the long term.

Some authoritatively explained that his death is being used as a distraction from the current political transition.

“He wanted to write about it authoritatively,” Wilentz said.

Because I was among those who developed it, I think I can speak authoritatively on the subject.

“Put it down,” repeated Conscience authoritatively, deigning no longer to argue or entreat.

"All the same, you ought to have protection," Edgar said authoritatively, and Leam did not reply.

If he spoke authoritatively and intolerantly, it was that a duty was laid upon him, and woe to him if he preached it not.

"Come this way," she said authoritatively, and led them into a side-chamber reserved for the priests.

They spoke authoritatively about infusions into the vitreous humor and subsequent absorption.