The definition for extenuating is "Partially excusing." Used in a sentence: The extenuating circumstance of Calvin's illness caused the teacher to excuse his lateness. The definition for ecstatic is "overwhelmingly emotional.", the definition for fickle is "Lacking constancy, changeable.", and the definition for cunning is "Showing clever insight."

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 eulogy is "speech or writing in praise of deceased.", the definition for plaudits is "Enthusiastic approval.", and the definition for extant is "Currently existing."

The definition for diffident is "Lacking self–confidence." Used in a sentence: The diffident student never raised her hand in class, even when she knew the answer. The definition for naive is "lacking worldy wisdom.", the definition for onset is "Beginning.", and the definition for induce is "To influence or cause."

The definition for derivative is "Lacking originality." Used in a sentence: Critics panned the movie as a derivative version of last year's Best Picture. The definition for implausible is "unbelievable.", the definition for trove is "Valuable collection.", and the definition for combustion is "Act of burning."

The definition for promote is "To contribute to the growth or prosperity of." Used in a sentence: The promote peace, the diplomat hosted a talk between the warring nations. The definition for onset is "beginning.", the definition for pathos is "Sympathetic pity.", and the definition for stern is "Harsh, severe."