relent

verb
1
to finally agree to something after refusing
تسلیم شدن, رضایت دادن, نرم شدن, کوتاه آمدن, بالاخره قبول کردن
synonym give in (to somebody/something)
2
to become less determined, strong, etc.
ملایم شدن, کوتاه آمدن, نرم شدن, کم شدن سرسختی
After two days the rain relented.
The police will not relent in their fight against crime.
The government considered making everybody pay the tax but relented.