This was an older man, who had an air of authority about him.

But there was an air of authority in this man.

There was an air of gentle authority in his voice which made her come to him at once.

He had an air of authority which it would have been hard to ignore.

The boy took the king's hands with an air of authority.

She had an air of authority, but there was something defeated about her.

She was older than the other and moved with an air of authority.

She spoke with an air of authority which he could understand, even though her words were unintelligible.

He has an air of authority over him and 'always moves with purpose'.

She had expected someone with an imposing air of authority.