tamp

verb3

1. •
   To plug up with clay, earth, dry sand, sod, or other material, as a hole bored in a rock.
2. •
   To drive in or pack down by frequent gentle strokes

   • Tamp earth so as to make a smooth place.
3. •
   To reduce the intensity of.

   • A single thought tamped her outrage: the chance that Meredith wasn't alone in her suspicions. — 2013