The definition for appraise is "To evaluate the worth of." Used in a sentence: Simone, an expert in African sculpture, was asked to appraise the ambassador's collection of masks. The definition for aerate is "to supply with air.", the definition for ethical is "Conforming to accepted standards.", and the definition for sociable is "Inclined to seek companionship."

The definition for corroborate is "To support with evidence." Used in a sentence: "Unless you can corroborate your story, it will not be admissible in court," the attorney told his client. The definition for buffer is "protective barrier.", the definition for beneficial is "Helpful.", and the definition for flaw is "An imperfection."

The definition for lenient is "Mild or tolerant." Used in a sentence: The judge issued a lenient sentence because it was Frank's first offense. The definition for oblivious is "lacking awareness.", the definition for clarity is "Clearness.", and the definition for revive is "To bring back to life."

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 untenable is "not able to be defended.", the definition for fickle is "Lacking constancy, changeable.", and the definition for unscrupulous is "Lacking principles."

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 recrimination is "a retaliatory accusation.", the definition for melodious is "Having a pleasing melody.", and the definition for appraise is "To evaluate the worth of."