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 sociable is "inclined to seek companionship.", the definition for extant is "Currently existing.", and the definition for punctual is "On time."

The definition for apathetic is "Showing little or no emotion." Used in a sentence: Carmine was concerned about his usually cheerful brother's apathetic attitude. The definition for corrective is "intended to correct.", the definition for authoritarian is "Favoring absolute obedience to authority.", and the definition for solace is "Source of consolation."

The definition for incidental is "Minor." Used in a sentence: The accountant advised Justine not to report her incidental expenses. The definition for rail is "to scold in harsh language.", the definition for curtail is "To make less.", and the definition for apathetic is "Showing little or no emotion."

The definition for embellish is "To decorate." Used in a sentence: Sari embellished the plain curtains with satin ribbons and tassels. The definition for melodious is "having a pleasing melody.", the definition for drab is "Dull, monotonous.", and the definition for negate is "To make invalid."

The definition for ethical is "Conforming to accepted standards." Used in a sentence: Mary did the ethical thing and turned in the diamond necklace she found. The definition for repel is "to resist, reject.", the definition for derivative is "Lacking originality.", and the definition for retroactive is "effective as of a prior time or condition."