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 mediate is "to come between parties in order to reconcile.", the definition for straddle is "To favor opposing sides.", and the definition for demeanor is "Behavior towards others."

The definition for facade is "false or superficial appearance." Used in a sentence: Emily's smile is just a facade masking her broken heart. The definition for embellish is "to decorate.", the definition for inauspicious is "Not favorable.", and the definition for extol is "To praise highly."

The definition for stern is "Harsh, severe." Used in a sentence: The stern principal canceled the prom after the seniors played a silly prank. The definition for frugal is "thrifty, cheap.", the definition for corrosive is "Bitingly sarcastic.", and the definition for revoke is "To cancel by taking back."

The definition for iridescent is "Having a lustrous or attractivve quality." Used in a sentence: The movie star's iridescent presence charmed even the hardened reporter. The definition for onset is "beginning.", the definition for plaudits is "Enthusiastic approval.", and the definition for belated is "Past the normal or proper time."

The definition for pallid is "Lacking color." Used in a sentence: The nurse was worried by the patient's pallid face and shallow breathing. The definition for corroborate is "to support with evidence.", the definition for epitaph is "Brief statement honoring a dead person.", and the definition for diffident is "Lacking self–confidence."