The definition for periodic is "Occurring at regular intervals." Used in a sentence: The periodic innterruptions of the cuckoo clock prevented Li from concentrating. The definition for polarize is "to break up into opposing groups.", the definition for elate is "To fill with joy.", and the definition for facade is "false or superficial appearance."

The definition for scapegoat is "Someone who bears the blame for others." Used in a sentence: Audrey used her innocent baby brother as a scapegoat for the missing cookies. The definition for negate is "to make invalid.", the definition for exalt is "To elevate by praise.", and the definition for futile is "Without purpose, completely ineffective."

The definition for elate is "To fill with joy." Used in a sentence: It elated Margaret to be awarded first place in the science fair. The definition for ecstatic is "overwhelmingly emotional.", the definition for grandiose is "With an affectation of grandeur.", and the definition for serenity is "Calmness."

The definition for exalt is "To elevate by praise." Used in a sentence: The fireman was publicly exalted for his heroism. The definition for extol is "to praise highly.", the definition for flagrant is "Noticeably offensive.", and the definition for proximity is "Closeness."

The definition for mandate is "An official order or commission to do something." Used in a sentence: Martha reluctantly obeyed the mandate to vacate her apartment. The definition for antidote is "something that relieves or counteracts.", the definition for abate is "Become less in amount or intensity.", and the definition for impenitent is "Lacking remorse."