Noun, Suru verb, Intransitive verb
change of heart; change of mind; change in love interest
イスラエル側の心変わりのために、中東和平交渉の構成国に変更があるかもしれません。The makeup of Mideast peace talks may change due to a change of heart on the part of Israel.
Also written 心変り【こころがわり】