subtilitas (fineness, delicacy; IMPROP., acuteness in thinking or discerning): tenuitas (thinness, Cic., Tusc., 1, 22, 50): praestantia (inherent excellence): elegantia (in speaking, discerning, etc., inasmuch as it displays taste): argutiae (acuteness, subtlety; e.g., of a speech).