The definition for ethical is "Conforming to accepted standards." Used in a sentence: Mary did the ethical thing and turned in the diamond necklace she found. The definition for implement is "to carry out or accomplish.", the definition for demeanor is "Behavior towards others.", and the definition for epistolary is "Contained or carried on in letters."

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 heinous is "shockingly evil.", the definition for implement is "To carry out or accomplish.", and the definition for epistolary is "Contained or carried on in letters."

The definition for regale is "To amuse." Used in a sentence: My clever brother Jeffrey regaled the dinner guests with tales of his adventures. The definition for fraud is "trick.", the definition for comparable is "Similar, equivalent.", and the definition for demean is "To lower status."

The definition for fickle is "Lacking constancy, changeable." Used in a sentence: The fickle Senji had a new best friend every month. The definition for mediate is "to come between parties in order to reconcile.", the definition for extant is "Currently existing.", and the definition for euphoria is "Feeling of great happiness."

The definition for fidelity is "State of being faithful." Used in a sentence: Unlike her fickle friend Benji, May Belle was known for her fidelity. The definition for catastrophic is "relating to extreme misfortune.", the definition for extant is "Currently existing.", and the definition for lenient is "Mild or tolerant."