lavishinggerund / present participle Used attributively as a present participle functioning as an adjective.
She received lavishing praise for her performance.
Она получила щедрые похвалы за своё выступление.
He was known for his lavishing lifestyle.
Он был известен своим расточительным образом жизни.
Gerund functioning as an uncountable noun referring to the act of bestowing something lavishly.