pacifiable
pac·i·fy
P0004900 (păs′ə-fī′)These verbs refer to allaying another's anger, discontent, or agitation. To pacify is to ease the concerns of or restore calm to: "The explanation ... was merely an invention framed to pacify his guests" (Charlotte Brontë).
Mollify stresses the soothing of hostile feelings: The therapist mollified the angry teenager by speaking gently. Conciliate implies winning over, often by reasoning and with mutual concessions: "He recognized the need to conciliate his political opponents" (Robert W. Johannsen).
Appease and placate suggest satisfying claims or demands or tempering antagonism, often by granting concessions: I appeased my friend's anger with a compliment. A sincere apology placated the indignant customer.