Noah Webster's Dictionary 1. (v.) To appease to render favorable; to conciliate; to atone.

Multi-Version Concordance Propitiate (1 Occurrence) Genesis 32:20 And, moreover, ye shall say, Behold, thy servant Jacob is behind us. For he said, I will propitiate him with the gift that goes before me, and afterwards I will see his face: perhaps he will accept me. (DBY)