noun
favor; kindness; debt of gratitude
Honorific term for a favor or kindness received from a superior or respected person. Often used in formal expressions of gratitude.
See also: 恩
先生の芳恩に深く感謝しております。
I am deeply grateful for the teacher's kindness.
ご芳恩を賜り、誠にありがとうございます。
Thank you very much for your gracious favor.