pacificar

v. pacify, placate, appease

v. conciliate, pacify; propitiate

= lull, still, appease.
Ex: Ulysses uses words to comfort and lull his mariners, to ease all minds about the hard decision he has made and to persuade all that his choice to leave is correct.
Ex: And arming himself with patience and piety he tarried awhile until the hubbub was stilled.
Ex: They've been working their butts off since the program was launched to appease the crowd.