The definition for abate is "Become less in amount or intensity." Used in a sentence: Just when it seemed the rain would never stop, the storm suddenly began to abate. The definition for lenient is "mild or tolerant.", the definition for plaudits is "Enthusiastic approval.", and the definition for exception is "A case to which the rule does not apply."

The definition for periodic is "Occurring at regular intervals." Used in a sentence: The periodic innterruptions of the cuckoo clock prevented Li from concentrating. The definition for melee is "a tumultuous fight among several people.", the definition for abate is "Become less in amount or intensity.", and the definition for precept is "A general rule of action."

The definition for stifle is "To repress or discourage." Used in a sentence: Amy tried ineffectively to stifle her giggles after she read Susan's note in class. The definition for insinuate is "to suggest indirectly.", the definition for preclude is "To rule out in advance.", and the definition for defiant is "Showing bold resistance."

The definition for compulsion is "An irresistible impulse." Used in a sentence: Tamar, a shoe fanatic, could not resist the compulsion to buy the shiny red boots. The definition for commemorate is "to mark by a ceremony.", the definition for procrastinate is "To put off intentionally.", and the definition for apathetic is "Showing little or no emotion."

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 induce is "to influence or cause.", the definition for derivative is "Lacking originality.", and the definition for periodic is "Occurring at regular intervals."