The definition for combustion is "Act of burning." Used in a sentence: Campers must use fire with great caution to prevent combustion of the parched brush. The definition for prune is "to reduce by removing excess.", the definition for condone is "To treat as acceptable.", and the definition for avian is "Relating to birds."

The definition for accessible is "Easy to reach or to approach." Used in a sentence: The introduction to the complex novel was, thankfully, written in clear accessible language. The definition for turpitude is "essential baseness, depravity.", the definition for antidote is "Something that relieves or counteracts.", and the definition for archetypal is "Characteristic of the original model or perfect example."

The definition for exception is "A case to which the rule does not apply." Used in a sentence: The teacher made an exception and let Gina eat her snack in class. The definition for benevolent is "kind, helpful.", the definition for apathetic is "Showing little or no emotion.", and the definition for negate is "To make invalid."

The definition for moderate is "Tending toward the average." Used in a sentence: The best–selling writer was disappointed; his new novel was only a moderate success. The definition for onset is "beginning.", the definition for beneficial is "Helpful.", and the definition for genial is "Sympathetic, friendly."

The definition for buffer is "Protective barrier." Used in a sentence: The dense trees acted as a buffer against the heavy rain. The definition for illuminate is "to make clear.", the definition for discern is "To recognize as separate as distinct.", and the definition for clarity is "Clearness."