The definition for avian is "Relating to birds." Used in a sentence: The old man affectionately referred to pigeons as his "avian friends." The definition for manifest is "obvious.", the definition for authoritarian is "Favoring absolute obedience to authority.", and the definition for melodious is "Having a pleasing melody."

The definition for turmoil is "Extreme confusion, agitation." Used in a sentence: The windstorm caused such turmoil in the lake that the sailboat capsized. The definition for belated is "past the normal or proper time.", the definition for commemorate is "To mark by a ceremony.", and the definition for mandate is "An official order or commission to do something."

The definition for ramble is "To wander, physically or in language." Used in a sentence: Professor Tan rambled during his lectures, frequently straying from the subject. The definition for equitable is "fair and equal.", the definition for duplicity is "Deceptive thought, speech, or action.", and the definition for extol is "To praise highly."

The definition for civility is "Politeness." Used in a sentence: The usually unruly Thomas acted with great civility when his favorite uncle visited. The definition for lenient is "mild or tolerant.", the definition for combustion is "Act of burning.", and the definition for preclude is "To rule out in advance."

The definition for placebo is "An inactive substance used in medical testing." Used in a sentence: Tom, who had taken the placebo, found that his allergy symptoms did not go away. The definition for fraud is "trick.", the definition for flourish is "To make bold, sweeping gestures.", and the definition for implement is "To carry out or accomplish."