Yes. No matter how you look at things you cannot take away the fact that Philippe Pétain was a good commander, in WWI I would go so far as to say that he was the best France had. He had ideas that where contrary to the mainstream french ideas both in the pre-WWI period (namely the belief that superior firepower was more important than aggressive infantry maneuvers that had proven so costly in the face of technological development) and the interwar period (notably the importance of armor, air superiority and mobile warfare as opposed to the french doctrine of entrenchment), ideas that would in all cases be proven correct.

He was also widely popular, unusually in France, both with the left, right and center of the political spectrum and one should not underestimate the importance of political skills in a high ranking military officer. Verdun was arguably his crowning achievement but his dealing with the revolts in the army are equally important in the grand scheme of things.

Had it not been for the fact that he threw away his legacy and became a puppet of Hitler's he would probably have been remembered as one of the great military heroes of France.

I would like to recommend this great post where /u/aleksx000 does a fantastic write-up of the events that led to Pétain becoming what he did as well as this thread were /u/erejp analyzes more or less the same thing. Both of these threads has more detail than I will provide here but I think they both underline what I have concluded here, Pétain was indeed a great general.