The definition for trove is "Valuable collection." Used in a sentence: Walter's trove of vintage baseball cards was worth thousands of dollars. The definition for perception is "capacity for seeing or understanding.", the definition for retroactive is "effective as of a prior time or condition.", and the definition for demean is "To lower status."

The definition for inauspicious is "Not favorable." Used in a sentence: Gary believed the black foreboding sky was an inauspicious sign. The definition for derelict is "abandoned.", the definition for proximity is "Closeness.", and the definition for foil is "One that enhances or underscores by contrast."

The definition for disdain is "Feeling of contempt." Used in a sentence: The arrogant writer did not hide his disdain for his uneducated dinner companion. The definition for appalling is "inspiring dismay or disgust.", the definition for combative is "Eager to fight.", and the definition for gravity is "Importance, significance."

The definition for mediate is "To come between parties in order to reconcile." Used in a sentence: The diplomatic Henry was able to mediate between the quarreling sisters. The definition for augment is "to make greater.", the definition for composed is "Calm.", and the definition for supple is "Flexible."

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 rancorous is "marked by deep ill–will.", the definition for incidental is "Minor.", and the definition for clarity is "Clearness."