The definition for beneficial is "Helpful." Used in a sentence: there is no doubt that eating vegetables is beneficial to one's health. The definition for periodic is "occurring at regular intervals.", the definition for combustion is "Act of burning.", and the definition for disconcert is "To throw into confusion."

The definition for extol is "To praise highly." Used in a sentence: The statesman extolled the ambassador who single–handedly negotiated the peace treaty. The definition for revive is "to bring back to life.", the definition for buffoonery is "Foolish behavior.", and the definition for apathetic is "Showing little or no emotion."

The definition for censure is "To find fault with." Used in a sentence: The critical teacher was quick to censure her students for even small mistakes. The definition for extant is "currently existing.", the definition for euphoria is "Feeling of great happiness.", and the definition for accentuate is "To emphasize."

The definition for stifle is "To repress or discourage." Used in a sentence: Amy tried ineffectively to stifle her giggles after she read Susan's note in class. The definition for trove is "valuable collection.", the definition for revive is "To bring back to life.", and the definition for turmoil is "Extreme confusion, agitation."

The definition for methodical is "Performed in an orderly manner." Used in a sentence: Oscar's methodical approach exasperated his free–spirited friend Ben. The definition for mandate is "an official order or commission to do something.", the definition for buffer is "Protective barrier.", and the definition for corroborate is "To support with evidence."