Atonefor

5 clues
Expiate.
Express regret over
Set right, in a way
Make right, in a way
Express sincere regret about
Similar answers:
Abefortas
Abelleforadano
Acaseforholding
Achefor
Acheforum
Adverseform
Agebeforebeauty
Agebeforebooty
Agreebeforehand
Alanpaton
Alexkeaton
Alienlifeform
Alienlifeformal
Alienlifeforum
Alienliifeform
Alifefortheczar
Alifeforthetsar
Allatonce
Allforoneandoneforall
Alovebeforetime