The definition for nurture is "To further the development of." Used in a sentence: Our cat made a nest of blankets to nurture her newborn kittens. The definition for ploy is "a contrived plan.", the definition for ethical is "Conforming to accepted standards.", and the definition for accessible is "Easy to reach or to approach."

The definition for negate is "To make invalid." Used in a sentence: Paula negated Tiffany's argument by proving that her main premise was false. The definition for impenitent is "lacking remorse.", the definition for buffer is "Protective barrier.", and the definition for melee is "A tumultuous fight among several people."

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 placebo is "an inactive substance used in medical testing.", the definition for pallid is "Lacking color.", and the definition for conduit is "Means for transmitting or distributing."

The definition for opportune is "Suitable or convenient." Used in a sentence: Quan stepped onto the platform at the most opportune time, just as the train pulled in. The definition for commemorate is "to mark by a ceremony.", the definition for refurbish is "To brighten or freshen.", and the definition for placebo is "An inactive substance used in medical testing."

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 raspy is "rough, grating.", the definition for implement is "To carry out or accomplish.", and the definition for catastrophic is "Relating to extreme misfortune."