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 incumbent is "necessary as a duty or responsibility.", the definition for flourish is "To make bold, sweeping gestures.", and the definition for brandish is "To shake or wave menacingly."

The definition for iridescent is "Having a lustrous or attractivve quality." Used in a sentence: The movie star's iridescent presence charmed even the hardened reporter. The definition for buffoonery is "foolish behavior.", the definition for compulsion is "An irresistible impulse.", and the definition for anthology is "A collection of selected literary pieces."

The definition for authoritarian is "Favoring absolute obedience to authority." Used in a sentence: Marco's authoritarian mother never allowed him to watch more than one hour of television a day. The definition for periodic is "occurring at regular intervals.", the definition for elusive is "Hard to grasp.", and the definition for corrective is "Intended to correct."

The definition for exalt is "To elevate by praise." Used in a sentence: The fireman was publicly exalted for his heroism. The definition for placebo is "an inactive substance used in medical testing.", the definition for ramble is "To wander, physically or in language.", and the definition for inflammatory is "Tending to excite anger."

The definition for abate is "Become less in amount or intensity." Used in a sentence: Just when it seemed the rain would never stop, the storm suddenly began to abate. The definition for brandish is "to shake or wave menacingly.", the definition for composed is "Calm.", and the definition for fidelity is "State of being faithful."