noun
kindness; friendship; cordiality
Formal, somewhat literary noun used to express deep gratitude for someone's kindness or warm friendship. Often appears in formal letters or speeches, such as ご厚誼に感謝します.
長年にわたるご厚誼に心より感謝申し上げます。
I express my heartfelt gratitude for your many years of kindness and friendship.
今後とも変わらぬご厚誼を賜りますようお願い申し上げます。
I humbly request your continued cordiality and support in the future.