The definition for beneficial is "Helpful." Used in a sentence: there is no doubt that eating vegetables is beneficial to one's health. The definition for rail is "to scold in harsh language.", the definition for placebo is "An inactive substance used in medical testing.", and the definition for epistolary is "Contained or carried on in letters."

The definition for moderate is "Tending toward the average." Used in a sentence: The best–selling writer was disappointed; his new novel was only a moderate success. The definition for pantomime is "telling a story through gestures.", the definition for fragile is "Delicate.", and the definition for pretense is "False intention or purpose."

The definition for commemorate is "To mark by a ceremony." Used in a sentence: Each year, the Franklins commemorate their anniversary by visiting the site of their first date. The definition for commemorate is "to mark by a ceremony.", the definition for civility is "Politeness.", and the definition for accommodate is "To give consideration to."

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 incongruous is "not harmonious, incompatible.", the definition for garish is "Offensively bright.", and the definition for pantomime is "Telling a story through gestures."

The definition for revive is "To bring back to life." Used in a sentence: Hank tried to revive Clare's interest in the project, but her enthusiasm had expired. The definition for duplicity is "deceptive thought, speech, or action.", the definition for flaunt is "To display showily.", and the definition for unscrupulous is "Lacking principles."