gentle-heartedness noun3 •Kindness and compassion.There was a halo about everything that Uncle John did, the radiance that goes with great kindness, the jovial gentle-heartedness of a humane man. — 2008 •Meekness, mildness.Gentle-heartedness follows from humble-heartedness. When I know my proper place, and am therefore free to appreciate and affirm the invaluable goodness of my neighbor, I can afford to be gentle. — 2008 •(no longer used) Refinement; high-born graciousness.And she was deserving of this love, because of her graciousness, her refinement, her gentle-heartedness and her piety. — 2003