The definition for illuminate is "To make clear." Used in a sentence: Her excellent lecture illuminated the complicated subject of nuclear physics. The definition for benefactor is "one who offers financial help.", the definition for impenitent is "Lacking remorse.", and the definition for trove is "Valuable collection."

The definition for perception is "Capacity for seeing or understanding." Used in a sentence: His incredible perception made him the best detective on the force. The definition for archetypal is "characteristic of the original model or perfect example.", the definition for rancorous is "Marked by deep ill–will.", and the definition for rhapsody is "State of great happiness."

The definition for untenable is "Not able to be defended." Used in a sentence: Rashid made the untenable statement that George Washington was the second president of the United States. The definition for scapegoat is "someone who bears the blame for others.", the definition for abate is "Become less in amount or intensity.", and the definition for conduit is "Means for transmitting or distributing."

The definition for apathetic is "Showing little or no emotion." Used in a sentence: Carmine was concerned about his usually cheerful brother's apathetic attitude. The definition for sociable is "inclined to seek companionship.", the definition for deferment is "The act of delaying.", and the definition for facade is "false or superficial appearance."

The definition for raucous is "Noisy, rowdy." Used in a sentence: Serena, who preferred quiet conversation, left the rancous party. The definition for mandate is "an official order or commission to do something.", the definition for epitaph is "Brief statement honoring a dead person.", and the definition for ramble is "To wander, physically or in language."