The definition for corroborate is "To support with evidence." Used in a sentence: "Unless you can corroborate your story, it will not be admissible in court," the attorney told his client. The definition for advantageous is "giving an advantage.", the definition for mediate is "To come between parties in order to reconcile.", and the definition for garish is "Offensively bright."

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 duplicity is "deceptive thought, speech, or action.", the definition for penurious is "Extrememly stingy.", and the definition for accessible is "Easy to reach or to approach."

The definition for repel is "To resist, reject." Used in a sentence: The soldiers made a massive charge to repel the invaders. The definition for stifle is "to repress or discourage.", the definition for melee is "A tumultuous fight among several people.", and the definition for pallid is "Lacking color."

The definition for grandiose is "With an affectation of grandeur." Used in a sentence: The sweeping, grandiose staircase looked preposterous in the modest entry hall. The definition for serenity is "calmness.", the definition for derivative is "Lacking originality.", and the definition for catastrophic is "Relating to extreme misfortune."

The definition for trove is "Valuable collection." Used in a sentence: Walter's trove of vintage baseball cards was worth thousands of dollars. The definition for extant is "currently existing.", the definition for corrosive is "Bitingly sarcastic.", and the definition for ethical is "Conforming to accepted standards."