词根：-plac-

【词根含义】：高兴,安慰

【词根来源】：来源于拉丁语动词plac.o, plac.are, plac.avi, plac.atus(平静,满足)和plac.eo, plac.ere, plac.ui, plac.itus(高兴,满足)。

【同源单词】：placable, placate, pleasant, please, pleased

词根词缀：-ate (to do)

【来源及含义】Latin: a suffix; to do, to make, to cause, or to act upon; to do something with

【同源单词】abbreviate, abdicate, abdicate, abnegate, accelerative, accentuate

词根词缀：plac-, placi-, -plais

【来源及含义】Latin: to please, to satisfy; peace, peacefulness; calm, calmness

【相关词根词缀】 Cross references directly, or indirectly, involving "calm, calmness, peace, quiet": pac-, peac-; quies-, quiet-; seren-.

【同源单词】complacence, complacent, complacently, complaisance, complaisant, complaisantly