Buying a crying baby a stuffed animal at a store is an example of placate.
transitive verb-·cat·ed, -·cat·ing
Origin of placatefrom Classical Latin placatus, past participle of placare, to appease: see please
transitive verbpla·cat·ed, pla·cat·ing, pla·cates
Origin of placateLatin plācāre plācāt- to calm ; see plāk-1 in Indo-European roots.
- pla′ca·to′ry pla′ca′tive
(third-person singular simple present placates, present participle placating, simple past and past participle placated)
From Latin plÄcÄtus, past participle of plÄcÅ (“appease, placate", literally “smooth, smoothen"), from Proto-Indo-European *plÄk- (“smooth, flat"), from Proto-Indo-European *pele- (“broad, flat, plain"). Related to Latin placeÅ (“appease"), Old English flÅh (“flat stone, chip"). More at please.