The definition for euphoria is "Feeling of great happiness." Used in a sentence: Cassandra was overcome with euphoria when she met her long–lost sister. The definition for demean is "to lower status.", the definition for ethical is "Conforming to accepted standards.", and the definition for mediate is "To come between parties in order to reconcile."

The definition for retroactive is "effective as of a prior time or condition." Used in a sentence: The retroactive law made even past infractions punishable. The definition for oblivious is "lacking awareness.", the definition for civility is "Politeness.", and the definition for illuminate is "To make clear."

The definition for opportune is "Suitable or convenient." Used in a sentence: Quan stepped onto the platform at the most opportune time, just as the train pulled in. The definition for entangle is "to involve in trouble.", the definition for heinous is "Shockingly evil.", and the definition for supple is "Flexible."

The definition for ecstatic is "Overwhelmingly emotional." Used in a sentence: They were ecstatic when their team won the championship game in the last second. The definition for retroactive is "effective as of a prior time or condition.", the definition for repentant is "Feeling regret.", and the definition for hedonism is "Belief that pleasure is the sole aim of life."

The definition for corroborate is "To support with evidence." Used in a sentence: "Unless you can corroborate your story, it will not be admissible in court," the attorney told his client. The definition for extol is "to praise highly.", the definition for salvage is "To save from ruin.", and the definition for exalt is "To elevate by praise."