optimistic

"One of the most exciting discoveries in this research is that it is actually possible to nearly end plastic pollution with this Treaty. I'm cautiously optimistic, but we can't squander this once-in-a-lifetime opportunity."

Michael and others say they are optimistic that if all goes as planned, the work of expanding the reservoir could be completed in less than 10 years.

Looking at all the dead heat numbers down the home stretch of the election, I was never optimistic that the country would unite to block the second coming of Trump.

Spain’s Finance Minister Carlos Cuerpo told the BBC: "We need to be positive here and optimistic that a better deal can be actually closed on that front."

There they found a doctor with a more optimistic outlook, who vowed he would do everything possible to help Dio beat cancer.