American Heritage Dictionary
(3)
Century Dictionary
(4)
GNU Webster's 1913
(1)
WordNet
(3)
Elsewhere on the web
Even now her letters were cheerful and hopeful, the kindness of her neighbours being often their theme.— The Second Chance
But they were all hopeful, and most of them were young, and all, or nearly all, were disposed to make light of difficulties The country they were about to colonise had been recently overrun by Kafir hordes.— The Settler and the Savage
It was warm and soothing, too, and seemed like the beginning of something hopeful-- he knew not what.— Nic Revel A White Slave's Adventures in Alligator Land
But the young are always hopeful, and Allister was sure of success; and he comforted his mother by telling her that in two or three years at most he could earn money enough to pay his father's debt to Angus Dhu, and then he would come home again, and they would all live happily together as before.— Shenac's Work at Home
Of course Casey was hopeful--it was his nature Sears broke his long silence: "Labor troubles, labor shortage!— Terry A Tale of the Hill People

Century Dictionary (1)
Bubble size: how much this word was used in a year
Bubble height: used more or less than expected, vs. all uses evenly distributed
You can expect to see this word a few times a week.