as an expression of one's gratitude

He also received numerous expressions of gratitude from other world leaders.

They might well demand a larger role in running the city, or some tangible expression of gratitude.

I gave him twenty drops, and he went off again with many expressions of gratitude.

He also fought to keep an expression of humble gratitude on his face.

His expression of gratitude may have been a bit premature.

The expressions of gratitude are punctuated by the husband's efforts to give the young man $20.

She was watching me with an expression of timid gratitude.

However, mine is more than just a formal expression of gratitude.

The sergeant looked up at her with an expression of mad gratitude.

I hoped that was an expression of gratitude or encouragement.