change of heart
noun
a reversal of one's feelings, intentions, opinions, etc.: At first Mother said we couldn't go, but she had a change of heart and let us.
Origin of change of heart
First recorded in 1820–30
Words nearby change of heart
Idioms and Phrases with change of heart
change of heart
Altered feelings or attitude, as in Paul didn't like his new job, but a raise prompted a change of heart and he became quite enthusiastic. [Early 1800s]