D defs.my
Entry 2 senses Webster, 1913

Commentation

· Com·men·ta·tion · IPA
01 n. The act or process of commenting or criticising; exposition.
  1. 1.
    The act or process of commenting or criticising; exposition.[R.]
    “The spirit of commentation.” Whewell.
  2. 2.
    The result of the labors of a commentator.