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 hedonism is "belief that pleasure is the sole aim of life.", the definition for induce is "To influence or cause.", and the definition for derivative is "Lacking originality."

The definition for procrastinate is "To put off intentionally." Used in a sentence: Yvonne's father urged, "Don't procrastinate. Clean your room right away." The definition for inviolable is "secure from assault of trespass.", the definition for procrastinate is "To put off intentionally.", and the definition for ethical is "Conforming to accepted standards."

The definition for onset is "Beginning." Used in a sentence: Crocuses bloom at the onset of spring, sometimes even before the snow melts. The definition for compulsion is "an irresistible impulse.", the definition for meticulous is "Extrememly careful regarding details.", and the definition for pathos is "Sympathetic pity."

The definition for incumbent is "Necessary as a duty or responsibility." Used in a sentence: It was incumbent on Jack to attend his father's retirement party. The definition for colossal is "immense, enormous.", the definition for methodical is "Performed in an orderly manner.", and the definition for deferment is "The act of delaying."

The definition for salvage is "To save from ruin." Used in a sentence: After the fire, Mrs. Han tried to salvage her family photos from the wreckage. The definition for garish is "offensively bright.", the definition for condone is "To treat as acceptable.", and the definition for combustion is "Act of burning."