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 placebo is "an inactive substance used in medical testing.", the definition for opportune is "Suitable or convenient.", and the definition for abate is "Become less in amount or intensity."

The definition for oblivious is "Lacking awareness." Used in a sentence: Love–struck Charlie was oblivious to everyone but the object of his affection. The definition for celebrated is "widely known, respected.", the definition for equitable is "Fair and equal.", and the definition for extol is "To praise highly."

The definition for parity is "Equality." Used in a sentence: Hilda, to avoid squabbles, aimed for parity in the slices of birthday cake. The definition for straddle is "to favor opposing sides.", the definition for fidelity is "State of being faithful.", and the definition for dubious is "Questionable."

The definition for elate is "To fill with joy." Used in a sentence: It elated Margaret to be awarded first place in the science fair. The definition for facade is "false or superficial appearance.", the definition for catastrophic is "Relating to extreme misfortune.", and the definition for derelict is "Abandoned."

The definition for advantageous is "Giving an advantage." Used in a sentence: The house's location in the best school district was advantageous to the seller. The definition for regurgitate is "to pour out or throw back.", the definition for discern is "To recognize as separate as distinct.", and the definition for pathos is "Sympathetic pity."