The virtue of generosity that may best capture the biased version is probably magnanimity.
The First Amendment is also biased against religion in an unexpected way.
That kind of unguarded remark also feeds perceptions that the mainstream media is biased against Romney.
Ironically, for a man who owns a good chunk of Italian media, he blames his difficulties on a biased press.
The law continues to be viewed as particularly harsh and biased towards African-Americans.
In the selection of these she was biased by her personal feelings, but to a degree far less than was to be anticipated.
On literary subjects they are often full of over-statement and of biased judgment.
How much their opinions were biased by the fact that they were descendants of the firstborn son, we can not say.
They were biased, unreliable at best, as regards culinary matters.
The evidence of the Fourcades regarding her conduct in their house at Tarbes was biased, she said.
1610s in reference to bowling, 1660s in reference to persons; past participle adjective from bias (v.).
1520s, from French biais "slant, slope, oblique," also figuratively, "expedient, means" (13c., originally in Old French a past participle adjective, "sideways, askance, against the grain"), of unknown origin, probably from Old Provençal biais, with cognates in Old Catalan and Sardinian; possibly from Vulgar Latin *(e)bigassius, from Greek epikarsios "athwart, crosswise, at an angle," from epi- "upon" + karsios "oblique," from PIE *krs-yo-, from root *(s)ker- "to cut." It became a noun in Old French. "[A] technical term in the game of bowls, whence come all the later uses of the word" [OED]. Transferred sense of "predisposition, prejudice" is from 1570s in English.
For what a man had rather were true he more readily believes. Therefore he rejects difficult things from impatience of research; sober things, because they narrow hope; the deeper things of nature, from superstition; the light of experience, from arrogance and pride, lest his mind should seem to be occupied with things mean and transitory; things not commonly believed, out of deference to the opinion of the vulgar. Numberless in short are the ways, and sometimes imperceptible, in which the affections colour and infect the understanding. [Francis Bacon, "Novum Organum," 1620]
1620s, literal and figurative, from bias (n.). Related: Biased; biasing.