The definition for serenity is "Calmness." Used in a sentence: The serenity of the glassy sea soothed the sailors after the big storm. The definition for polarize is "to break up into opposing groups.", the definition for equitable is "Fair and equal.", and the definition for heed is "To pay attention to."

The definition for preclude is "To rule out in advance." Used in a sentence: "Having cake now will preclude dessert later," said Amber's mother. The definition for archetypal is "characteristic of the original model or perfect example.", the definition for placebo is "An inactive substance used in medical testing.", and the definition for periodic is "Occurring at regular intervals."

The definition for gruff is "Rough or stern in manner or speech." Used in a sentence: Heidi's grandfather was gruff, barking stern orders and hardly smiling. The definition for oblivious is "lacking awareness.", the definition for diffident is "Lacking self–confidence.", and the definition for implement is "To carry out or accomplish."

The definition for deferment is "The act of delaying." Used in a sentence: Sybil was frustrated by the deferment of her much anticipated vacation. The definition for celebrated is "widely known, respected.", the definition for salvage is "To save from ruin.", and the definition for elate is "To fill with joy."

The definition for epistolary is "Contained or carried on in letters." Used in a sentence: The shoebox filled with letters was the ony remains of Ming's epistolary friendship with Emile. The definition for epistolary is "contained or carried on in letters.", the definition for prudent is "Marked by wisdom, shrewd.", and the definition for demeanor is "Behavior towards others."