com•men•tatePronunciation: (kom'un-tāt"), [key]
—v., -tat•ed, -tat•ing.
to deliver a commentary on: to commentate a fashion show.
to write a commentary on; annotate: to commentate the Book of Job.
to serve as a commentator: The senior staff member will commentate, as usual.
to make explanatory or critical comments, as upon a text: the manuscript on which I am commentating.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.