verb (used with object),com·men·tat·ed,com·men·tat·ing.
to deliver a commentary on: to commentate a fashion show.
to write a commentary on; annotate: to commentate the Book of Job.
verb (used without object),com·men·tat·ed,com·men·tat·ing.
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.
Origin of commentate
First recorded in 1785–95; back formation from commentator
Can be confusedcommentcommentate (see usage note at the current entry)
Since the late 18th century, commentate has been used transitively with the meaning “to annotate” and, since the mid 19th, intransitively with the meaning “to make explanatory or critical comments.” These uses are now rare. Recently, commentate has developed the additional transitive sense “to deliver a commentary on” and the intransitive sense “to serve as a commentator.” These uses are occasionally criticized as journalistic jargon.
(tr)USto make a commentary on (a text, event, etc)
The verb commentate, derived from commentator, is sometimes used as a synonym for comment on or provide a commentary for. It is not yet fully accepted as standard, though widespread in sports reporting and journalism