Hopeful used in a sentence

Hopeful in a sentence as a noun

Every single one of them was sincerely hopeful that the drug they were working on would be a total cure.

I'm also hopeful that at some point we'll manage to figure out a UX for website trust that is better than what we came up with in 1997.

I'm keeping my eye on that because I am hopeful the new competition could start moving the higher-end prices downward, and that will make me happy.

I've been saying it for a while now, I'm hopeful that we're going to see some very positive reforms in 2014 or 2015, as well as an eventual hero's welcome for Snowden.

I cannot figure out any way to reconcile the incredibly poor quality of Beats products with a hopeful future for Apple.

The sentence as a whole clearly and obviously means "It is to be hoped that..." or less formally "We hope that..." This use of 'hopefully' is no different than 'fortunately', 'sadly', 'happily' or 'luckily' in countless sentences.

Hopeful in a sentence as an adjective

It's kind of questionable that a one-paragraph throwaway rant like this has hit the front page of HN. But if that indicates that a lot of people around here have burned their facebook accounts, or are planning to, that would be a hopeful sign for civilization.

You take capitalist ownership structures, which exist for the hopeful progress of society at large, but you infer an ought from them, that the only thing that is fair is that ownership is absolute in control over what it owns.

The screen reader needs to, hopefully without making me lose my current place on the page, diff your changes against its current buffer, update its buffer, and somehow indicate to me that the content has changed, without interrupting my current task.

And because of the stupid blue "like" button this article rails against, these hopeful businesses can do that without paying for pointless terribly-performing ads in major newspapers or on radio stations, and can have actual conversations with their customers.

By definition, such a forum will invite submissions from promoters who are, variously, supremely gifted, naive and unrealistic, crafty and conniving, or just hopeful founders who see this is their best funding mechanism, whether it turns out to be good, bad, or mediocre at it plays out.