appease, make (an atonement, cleanse, disannul, forgive, be merciful, pacify, pardon, purge (away), put off, (make) reconcile(-liation)

Strong’s Dictionary of Hebrew Words:

Transliteration:
kaphar
Phonic:
kaw-far’
Meaning:
a primitive root; to cover (specifically with bitumen); figuratively, to expiate or condone, to placate or cancel
KJV Usage:
appease, make (an atonement, cleanse, disannul, forgive, be merciful, pacify, pardon, purge (away), put off, (make) reconcile(-liation)