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 retroactive is "effective as of a prior time or condition.", the definition for serenity is "Calmness.", and the definition for raucous is "Noisy, rowdy."

The definition for regale is "To amuse." Used in a sentence: My clever brother Jeffrey regaled the dinner guests with tales of his adventures. The definition for stealth is "the act of moving secretly or unnoticed.", the definition for repel is "To resist, reject.", and the definition for solace is "Source of consolation."

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 epitaph is "brief statement honoring a dead person.", the definition for grandiose is "With an affectation of grandeur.", and the definition for inauspicious is "Not favorable."

The definition for incidental is "Minor." Used in a sentence: The accountant advised Justine not to report her incidental expenses. The definition for equitable is "fair and equal.", the definition for egotist is "Self–important person.", and the definition for turpitude is "Essential baseness, depravity."

The definition for scapegoat is "Someone who bears the blame for others." Used in a sentence: Audrey used her innocent baby brother as a scapegoat for the missing cookies. The definition for mandate is "an official order or commission to do something.", the definition for melee is "A tumultuous fight among several people.", and the definition for nurture is "To further the development of."