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 periodic is "occurring at regular intervals.", the definition for appalling is "Inspiring dismay or disgust.", and the definition for insolence is "Boldness or rudeness."

The definition for opportune is "Suitable or convenient." Used in a sentence: Quan stepped onto the platform at the most opportune time, just as the train pulled in. The definition for diffident is "lacking self–confidence.", the definition for futile is "Without purpose, completely ineffective.", and the definition for promote is "To contribute to the growth or prosperity of."

The definition for camaraderie is "Spirit of friendship." Used in a sentence: The manager hoped the retreat would increase the camaraderie among the feuding workers. The definition for absolve is "to forgive; to free from guilt.", the definition for turmoil is "Extreme confusion, agitation.", and the definition for indecorous is "In bad taste."

The definition for extenuating is "Partially excusing." Used in a sentence: The extenuating circumstance of Calvin's illness caused the teacher to excuse his lateness. The definition for plaudits is "enthusiastic approval.", the definition for polarize is "To break up into opposing groups.", and the definition for censure is "To find fault with."

The definition for corrective is "Intended to correct." Used in a sentence: The school decided to take corrective measures to prevent truancy. The definition for iridescent is "having a lustrous or attractivve quality.", the definition for corroborate is "To support with evidence.", and the definition for fragile is "Delicate."