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 adversary is "one who opposes or resists.", the definition for composed is "Calm.", and the definition for deferment is "The act of delaying."

The definition for adversary is "One who opposes or resists." Used in a sentence: Franklin hoped to defeat his adversary in the afternoon's tennis match. The definition for elusive is "hard to grasp.", the definition for diffident is "Lacking self–confidence.", and the definition for negate is "To make invalid."

The definition for regale is "To amuse." Used in a sentence: My clever brother Jeffrey regaled the dinner guests with tales of his adventures. The definition for corroborate is "to support with evidence.", the definition for straddle is "To favor opposing sides.", and the definition for oblivious is "Lacking awareness."

The definition for gruff is "Rough or stern in manner or speech." Used in a sentence: Heidi's grandfather was gruff, barking stern orders and hardly smiling. The definition for liability is "a person or thing whose presence or behavior is likely to cause embarrassment or put one at a disadvantage.", the definition for precept is "A general rule of action.", and the definition for dubious is "Questionable."

The definition for civility is "Politeness." Used in a sentence: The usually unruly Thomas acted with great civility when his favorite uncle visited. The definition for brandish is "to shake or wave menacingly.", the definition for extant is "Currently existing.", and the definition for mandate is "An official order or commission to do something."