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 fickle is "lacking constancy, changeable.", the definition for heinous is "Shockingly evil.", and the definition for onset is "Beginning."

The definition for demeanor is "Behavior towards others." Used in a sentence: Carlos was well liked because of his charming demeanor. The definition for combative is "eager to fight.", the definition for servile is "Fearfully submissive.", and the definition for buffoonery is "Foolish behavior."

The definition for ploy is "A contrived plan." Used in a sentence: Sarah thought George's ploy of borrowing her notes was a cowardly way to ask her out. The definition for methodical is "performed in an orderly manner.", the definition for combustion is "Act of burning.", and the definition for beneficial is "Helpful."

The definition for mediate is "To come between parties in order to reconcile." Used in a sentence: The diplomatic Henry was able to mediate between the quarreling sisters. The definition for mediate is "to come between parties in order to reconcile.", the definition for onset is "Beginning.", and the definition for corrosive is "Bitingly sarcastic."

The definition for surplus is "Excess." Used in a sentence: Trevor decided to freeze the surplus chili for next week's tailgate party. The definition for augment is "to make greater.", the definition for extol is "To praise highly.", and the definition for genial is "Sympathetic, friendly."