Relented

verb

1. To become less severe or intense; to become less hard, harsh, or cruel; to soften in temper

   "He had planned to ground his son for a month, but relented and decided to give him a stern lecture instead."

2. To slacken; to abate.

   "He will not relent in his effort to reclaim his victory."

3. To lessen, make less severe or intense.
4. (of substance) To become less rigid or hard; to soften; to yield, for example by dissolving or melting