The definition for buffer is "Protective barrier." Used in a sentence: The dense trees acted as a buffer against the heavy rain. The definition for egotist is "self–important person.", the definition for corrective is "Intended to correct.", and the definition for elate is "To fill with joy."

The definition for stern is "Harsh, severe." Used in a sentence: The stern principal canceled the prom after the seniors played a silly prank. The definition for prudent is "marked by wisdom, shrewd.", the definition for obnoxious is "Highly offensive.", and the definition for pallid is "Lacking color."

The definition for serenity is "Calmness." Used in a sentence: The serenity of the glassy sea soothed the sailors after the big storm. The definition for parity is "equality.", the definition for mandate is "An official order or commission to do something.", and the definition for gargantuan is "Gigantic."

The definition for incisive is "Impressively direct and decisive." Used in a sentence: Samir's incisive leadership made him the natural choice for president of the company. The definition for induce is "to influence or cause.", the definition for celebrated is "Widely known, respected.", and the definition for negate is "To make invalid."

The definition for mediate is "To come between parties in order to reconcile." Used in a sentence: The diplomatic Henry was able to mediate between the quarreling sisters. The definition for exception is "a case to which the rule does not apply.", the definition for preclude is "To rule out in advance.", and the definition for proximity is "Closeness."