PROVE v.
certain, as truth, reality, or fact, by argument, testimony, or other evidence. They have inferred much from slender premises, and conjectured when they could not prove. J. H. Newman.
REASON n. 3 definitions
y of capacity of the human mind by which it is distinguished from the intelligence of the inferior animals; the higher as distinguished from the lower cognitive faculties, sense, imagination, and memory, and in contrast to the feelings and desires. Reason comprises conception, judgment, reasoning, and the intuitional f…
REDUCE v.
To bring to any inferior state, with respect to rank, size, quantity, quality, value, etc.; to diminish; to lower; to degrade; to impair; as, to reduce a sergeant to the ranks; to reduce a drawing; to reduce expenses; to reduce the intensity of heat. "An ancient but reduced family." Sir W. Scott. Nothing so excellent b…