"enthusiastic comment" is a correct and usable phrase in written English.
You could use it for example in a sentence such as: "John made an enthusiastic comment about the new project, indicating his excitement about participating in it."
Usually they were admirers of his scrappy progressive politics and youthful energy, and either posted an enthusiastic comment on his Facebook page or sent him an admiring Twitter message.
It is an exhibition to browse in contentedly, and if the Picassos did not claim one's attention it would deserve detailed and, in the case of at least a dozen of the exhibits, enthusiastic comment.
Akita's most enthusiastic comment after the show was not about music: "Go vegan and save animals!" (Akita is a passionate vegan and lives in Japan, where he keeps many animals, largely birds, as pets).
(The only less than enthusiastic comment comes from GOP operative Alex Castellanos, who dismisses the speech as not particularly powerful. Of course, he also uses decades-old misogynist references to demean Hillary Clinton on a regular night, so I think we can safely dismiss him as a total fucking idiot).
Asked about Mr. Trump's frequent enthusiastic comments about Mr. Putin, Mr. Ryan demurred.
The Facebook post was "liked" by 189 people and drew enthusiastic comments calling for more.
"There was silence where my enthusiastic comments were supposed to have been.
Enthusiastic comments are far outweighing the "I don't even own a TV but …" brigade.
But his project gradually attracted an audience, mostly people in their 20s who left enthusiastic comments on his website.
Within a few days, the video had been viewed more than a million times and had attracted enthusiastic comments from the gamer set: "Best.
Managers and hosts wander the dining room, making enthusiastic comments about the menu, answering diners' questions and seeing to everything that needs doing.
