public opinion *
popular opinion
opinion ****
vox populi

Most of the time they're only going along with popular opinion and haven't thought out their ideas.

On the other side of popular opinion there was much being done, however.

Contrary to popular opinion, this should be a great game.

And contrary to popular opinion, they just didn't have that kind of money sitting around.

Contrary to popular opinion, some of these changes are not recent.

He never tried to appeal to popular opinion in cases.

The shops, few in number, made no show; for popular opinion was as nothing to them.

But we don't have to just go by popular opinion.

He is not the man that popular opinion often held him to be early in this century.

Seems to be the overwhelmingly popular opinion on this matter.