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 inflammatory is "tending to excite anger.", the definition for melee is "A tumultuous fight among several people.", and the definition for mediate is "To come between parties in order to reconcile."

The definition for serenity is "Calmness." Used in a sentence: The serenity of the glassy sea soothed the sailors after the big storm. The definition for sociable is "inclined to seek companionship.", the definition for extant is "Currently existing.", and the definition for raucous is "Noisy, rowdy."

The definition for accessible is "Easy to reach or to approach." Used in a sentence: The introduction to the complex novel was, thankfully, written in clear accessible language. The definition for repel is "to resist, reject.", the definition for illuminate is "To make clear.", and the definition for garish is "Offensively bright."

The definition for absolve is "To forgive; to free from guilt." Used in a sentence: Marta felt greatly relieved after her mother absolved her for breaking the vase. The definition for plaudits is "enthusiastic approval.", the definition for prominence is "Importance.", and the definition for proximity is "Closeness."

The definition for demeanor is "Behavior towards others." Used in a sentence: Carlos was well liked because of his charming demeanor. The definition for exasperation is "the state of being irritated.", the definition for exception is "A case to which the rule does not apply.", and the definition for flourish is "To make bold, sweeping gestures."