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 revive is "to bring back to life.", the definition for accentuate is "To emphasize.", and the definition for gruff is "Rough or stern in manner or speech."

The definition for genial is "Sympathetic, friendly." Used in a sentence: The genial host warmly greeted his many guests. The definition for placebo is "an inactive substance used in medical testing.", the definition for prominence is "Importance.", and the definition for epistolary is "Contained or carried on in letters."

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 straddle is "to favor opposing sides.", the definition for accessible is "Easy to reach or to approach.", and the definition for solace is "Source of consolation."

The definition for precept is "A general rule of action." Used in a sentence: All the students know Mrs. Brown's strict precept; no talking in class. The definition for stifle is "to repress or discourage.", the definition for genial is "Sympathetic, friendly.", and the definition for eulogy is "Speech or writing in praise of deceased."

The definition for extant is "Currently existing." Used in a sentence: Some consider Clint Eastwood the greatest extant American director. The definition for frugal is "thrifty, cheap.", the definition for lenient is "Mild or tolerant.", and the definition for dubious is "Questionable."