'more exemplary' is correct and usable in written English.
You can use it to describe someone or something that is better than similar people or things. For example: Her performance in the marathon was exemplary, and she has now set an even more exemplary time for next year's race.
A simpler democracy would be a more secure one — and a more exemplary one.
But what issues from the conflict is an even more exemplary moment, when Jerry reads the band a warning letter from the F.B.I. about the song.
For instance, N. C. Wyeth has the lion's share of the wall space, and in general is represented by better, more exemplary works than the other artists.
In developing a clear analysis of the practical relations between economics and law, no jurisdictions have been more exemplary than Australia and New Zealand.
Romney projects a natural decency, and his record of personal conduct is more exemplary than Tom Brady's, but, like Bush and Kerry before him, he seems not to know what he doesn't know about life near the country's median income.
He offers real-life examples, large and small, of what can be accomplished through the practice of "faithful presence...Such practices will be more fruitful, Hunter argues, more exemplary, and more deeply transfiguring than any more overtly ambitious attempts can ever be.
Unlike the Bach works, which were composed more as exemplary works than for performance, "Music in 12 Parts" was written for the Philip Glass Ensemble to perform on tour.
The independence struggle was less a local rebellion and more an exemplary defence of shared democratic values, including self-determination, as embodied in the European charter of fundamental rights, he said.
Mr. Obama did all this and more while maintaining exemplary dignity at all times.
If newspapers refuse to co-operate with the regulator, or set up a body that is not accepted by the new recognition panel, they will be more liable to exemplary damages in the event that they recklessly publish inaccurate stories.
You will eventually want to know about those ideas 0f salvation and eternity, just as you will want to learn about the ideas — collaboration, generosity, the embrace of ephemerality — that underpin LeWitt's art and make it, now more than ever, exemplary.
