"rightfully considered" is correct and usable in written English.
You can use it when you want to express the idea that something is thought of as correct, just, or reasonable. For example: The new law on taxes is rightfully considered to be fairer and more equitable.
Yes, there are many examples of outrageous publicity hounds - mavericks who, to science's irritation, refuse to play the game by peer review rules and yet still get acres of coverage, rightfully considered the property of "proper science".
In summary, Leo III in 717 ruled over an empire humiliated by the presence of pagan barbarians upon Balkan soil rightfully considered "Roman," threatened by an attack upon its Anatolian heartland and its capital, and reduced, finally, in the West to Sicily and the remnants of the Ravenna exarchate.
He is rightfully considered the founder of Maimonideanism, a philosophical-exegetical movement in medieval Judaism.
"Anything that gets in the way of that sensory experience is rightfully considered an inappropriate distraction.
Admittedly, this definition of college towns is a fairly restrictive one, and a case could be made that many areas not included should be rightfully considered as college towns.
"Earth Song" mattered deeply to Jackson, who rightfully considered it one of his greatest artistic achievements.
PAGE 1 THE LATEST NEW WORLD Viewers of "The Daily Show" rightfully consider Fareed Zakaria, above, a semiregular.
Fay Vincent, Selig's predecessor as commissioner, said yesterday that too many interim steps remain before Selig could rightfully consider doing something about Bonds's record.
The MetroStars rightfully consider themselves the underdogs in their playoff series with the Los Angeles Galaxy starting tomorrow night at the Rose Bowl.
It takes a certain audaciousness to share something that you wrote spur of the moment and didn't have time yet to rightfully consider.
Heimo sees nothing wrong with backstrap--caribou steak--but he hates the hunters who only want that and leave the rest to rot, which he rightfully considers a shame.
