The definition for placebo is "An inactive substance used in medical testing." Used in a sentence: Tom, who had taken the placebo, found that his allergy symptoms did not go away. The definition for stealth is "the act of moving secretly or unnoticed.", the definition for authoritarian is "Favoring absolute obedience to authority.", and the definition for derelict is "Abandoned."

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 moderate is "tending toward the average.", the definition for pretentious is "Making unjustified claims.", and the definition for foil is "One that enhances or underscores by contrast."

The definition for accommodate is "To give consideration to." Used in a sentence: The hospitable couple was happy to accommodate the needs of their finicky guest. The definition for proximity is "closeness.", the definition for flaunt is "To display showily.", and the definition for methodical is "Performed in an orderly manner."

The definition for refurbish is "To brighten or freshen." Used in a sentence: Leeanne cleaned and mended all weekend to refurbish the shabby apartment. The definition for revive is "to bring back to life.", the definition for benevolent is "Kind, helpful.", and the definition for disconcert is "To throw into confusion."

The definition for appraise is "To evaluate the worth of." Used in a sentence: Simone, an expert in African sculpture, was asked to appraise the ambassador's collection of masks. The definition for salvage is "to save from ruin.", the definition for flagrant is "Noticeably offensive.", and the definition for polarize is "To break up into opposing groups."