PLACATE
pacify, lenify, conciliate, assuage, appease, mollify, placate, gentle, gruntle
(verb) cause to be more favorably inclined; gain the good will of; “She managed to mollify the angry customer”
Source: WordNet® 3.1
Etymology
Verb
placate (third-person singular simple present placates, present participle placating, simple past and past participle placated)
(transitive) To calm; to bring peace to; to influence someone who was furious to the point that they become content or at least no longer irate.
Synonyms
• (to calm): appease, conciliate, mollify, propitiate, satisfy
Antonyms
• (to calm): enrage
Anagrams
• epactal
Source: Wiktionary
Plac"ate, n.
Definition: Same as Placard, 4 & 5.
Pla"cate, v. t. [imp. & p. p. Placated; p. pr. & vb. n. Placating.]
Etym: [L. placatus, p.p. of placare to placate, akin to placere to
please. See Please.]
Definition: To appease; to pacify; to concilate. "Therefore is he always
propitiated and placated." Cudworth.
Source: Webster’s Unabridged Dictionary 1913 Edition