The definition for diffident is "Lacking self–confidence." Used in a sentence: The diffident student never raised her hand in class, even when she knew the answer. The definition for moderate is "tending toward the average.", the definition for civility is "Politeness.", and the definition for archetypal is "Characteristic of the original model or perfect example."

The definition for elate is "To fill with joy." Used in a sentence: It elated Margaret to be awarded first place in the science fair. The definition for supple is "flexible.", the definition for buffer is "Protective barrier.", and the definition for authoritarian is "Favoring absolute obedience to authority."

The definition for perception is "Capacity for seeing or understanding." Used in a sentence: His incredible perception made him the best detective on the force. The definition for entangle is "to involve in trouble.", the definition for abate is "Become less in amount or intensity.", and the definition for incidental is "Minor."

The definition for periodic is "Occurring at regular intervals." Used in a sentence: The periodic innterruptions of the cuckoo clock prevented Li from concentrating. The definition for augment is "to make greater.", the definition for insolence is "Boldness or rudeness.", and the definition for embellish is "To decorate."

The definition for punctual is "On time." Used in a sentence: Ron was worried when the usually punctual Amanda was late for the show. The definition for celebrated is "widely known, respected.", the definition for rail is "To scold in harsh language.", and the definition for epistolary is "Contained or carried on in letters."