Maguire's own friendship with DiCaprio lends a certain authenticity to their exchanges.

There was, I must concede, a certain authenticity to life on the other side of the gate.

They can seem a little patronising, as if the 19-year-old Delaney merely had a certain authenticity to offer.

Newcomers Scott and Graynor strike just the right notes, with the former's own movie and TV stardom adding a certain authenticity.

He lacked a certain authenticity, some of them felt; he was too privileged, too willing to compromise on the "black agenda."