To reverse direction.
A failing or failure
To reverse a stand or position:
A usually adverse change in fortune:
Turnaround is defined as a change in direction, the time spent to implement a product or service or a place where a vehicle can be turned to go back in the other direction.
A complete reversal of opinion, attitude, etc.
Find another word for change-of-heart. In this page you can discover 10 synonyms, antonyms, idiomatic expressions, and related words for change-of-heart, like: 180, about-face, apostasy, backpedaling, change of mind, defection, flip-flop, reversal, turnaround and volte-face.