After her suggestion was mocked, she retaliated by publicly criticizing the opponent's views.

retaliated 是动词 retaliate 的过去式，retaliate 由前缀 re-（表示"回、反"）和词根 taliate（来自拉丁语 talio，意为"报复"）组成，意思是"报复、回击"。在句中表示"采取报复行动"。