The definition for illuminate is "To make clear." Used in a sentence: Her excellent lecture illuminated the complicated subject of nuclear physics. The definition for buffer is "protective barrier.", the definition for augment is "To make greater.", and the definition for combative is "Eager to fight."

The definition for eloquent is "Fluent, expressive." Used in a sentence: Kim, an eloquent speaker, was the best choice to make the presentation for the group. The definition for polarize is "to break up into opposing groups.", the definition for pathos is "Sympathetic pity.", and the definition for plaudits is "Enthusiastic approval."

The definition for incisive is "Impressively direct and decisive." Used in a sentence: Samir's incisive leadership made him the natural choice for president of the company. The definition for incidental is "minor.", the definition for retroactive is "effective as of a prior time or condition.", and the definition for advantageous is "Giving an advantage."

The definition for benefactor is "One who offers financial help." Used in a sentence: Michael's aunt and benefactor paid his college tuition. The definition for methodical is "performed in an orderly manner.", the definition for promote is "To contribute to the growth or prosperity of.", and the definition for derelict is "Abandoned."

The definition for exasperation is "The state of being irritated." Used in a sentence: The longer Jorge waited in line at the ticket counter, the more his exasperation grew. The definition for ploy is "a contrived plan.", the definition for elusive is "Hard to grasp.", and the definition for pathos is "Sympathetic pity."