your kindness; your goodwill
Formal, somewhat literary noun used to refer respectfully to another person's kindness or goodwill. Often appears in written expressions of gratitude, such as letters or formal speeches.
I am deeply grateful for your kindness.
皆様のご芳志により、この会は成功いたしました。
Thanks to everyone's goodwill, this event was a success.
Compound of 芳 (fragrant, favorable) and 志 (will, intention). The exact historical derivation is uncertain, but the combination conveys a favorable or kind intention.