"I thank you for the return of my combadge," Corsi tapped the badge and smiled her most diplomatic smile.

"Another time, perhaps," Kirk said with a diplomatic smile.

With a diplomatic smile, she expressed herself more subtly.

Archer tried his best to offer the Adigeon official a safely diplomatic smile, and to maintain at least the appearance of patience.

As soon as the door closed, Coray's diplomatic smile became wider, more giddy.

Onell looked wary, not cracking even a diplomatic smile.

One of my court sycophants permitted himself to give me a 'diplomatic smile'.

Then he reapplied his best diplomatic smile, turned, and faced the members of the Tizarin.

"I'm sure you are," said Picard with a diplomatic smile, "I just don't want anything to go wrong."

He said this with a diplomatic smile at Caffran as the trooper edged up closer.