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 genial is "sympathetic, friendly.", the definition for rail is "To scold in harsh language.", and the definition for embellish is "To decorate."

The definition for illuminate is "To make clear." Used in a sentence: Her excellent lecture illuminated the complicated subject of nuclear physics. The definition for illuminate is "to make clear.", the definition for prudent is "Marked by wisdom, shrewd.", and the definition for obnoxious is "Highly offensive."

The definition for oblivious is "Lacking awareness." Used in a sentence: Love–struck Charlie was oblivious to everyone but the object of his affection. The definition for implement is "to carry out or accomplish.", the definition for clarity is "Clearness.", and the definition for demeanor is "Behavior towards others."

The definition for heed is "To pay attention to." Used in a sentence: "Heed my advice," the fortuneteller warned Sebastian when he tried to ignore her prophecy. The definition for incumbent is "necessary as a duty or responsibility.", the definition for lenient is "Mild or tolerant.", and the definition for ethical is "Conforming to accepted standards."

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 fickle is "lacking constancy, changeable.", the definition for authoritarian is "Favoring absolute obedience to authority.", and the definition for retroactive is "effective as of a prior time or condition."