Kindest

adjective

1. Having a benevolent, courteous, friendly, generous, gentle, liberal, sympathetic, or warm-hearted nature or disposition, marked by consideration for – and service to – others.
2. Affectionate.

   "a kind man; a kind heart"

3. Favorable.
4. Mild, gentle, forgiving

   "The years have been kind to Richard Gere; he ages well."

5. Gentle; tractable; easily governed.

   "a horse kind in harness"