propitiate

To conciliate, appease, or make peace with someone, particularly a god or spirit.

Let fierce Achilles, dreadful in his rage, The god propitiate, and the pest assuage.

But polite and politic it is, to propitiate your hostess.

To make propitious or favourable.

But what was that compared to the pleasure of gazing on him, and listening to his words of pity or of praise! to witnessing the sparkling of his eyes when he gazed on his boy, and sought, by every possible medium, to coax him to his arms, a task not to be achieved in a moment; or in listening to that praise of Lord Allerton, which was likely to propitiate Mary in his favour!

To make propitiation.