Applause; applauding.
"The crowd rose to their feet to offer a standing ovation and warm applause for the performer's final bow."
To express approval (of something) by clapping the hands.
"The crowd began to applaud enthusiastically when the performer finished her final song."
The word comes from the Latin applaudere, which meant "to clap the hands together." It is formed by combining ad ("to") and plaudere ("to strike").