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 conduit is "means for transmitting or distributing.", the definition for raucous is "Noisy, rowdy.", and the definition for pretense is "False intention or purpose."

The definition for turpitude is "Essential baseness, depravity." Used in a sentence: The turpitude of the villain in the movie offended most audiences. The definition for appalling is "inspiring dismay or disgust.", the definition for egotist is "Self–important person.", and the definition for naive is "Lacking worldy wisdom."

The definition for polarize is "To break up into opposing groups." Used in a sentence: Thelma tended to polarize discussions rather than to encourage compromise. The definition for aerate is "to supply with air.", the definition for obnoxious is "Highly offensive.", and the definition for naive is "Lacking worldy wisdom."

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 appraise is "to evaluate the worth of.", the definition for parity is "Equality.", and the definition for turmoil is "Extreme confusion, agitation."

The definition for penurious is "Extrememly stingy." Used in a sentence: Ebenezer Scrooge was most penurious, refusing to give even a penny to charity. The definition for pretentious is "making unjustified claims.", the definition for oblivious is "Lacking awareness.", and the definition for mediate is "To come between parties in order to reconcile."