Definify.com

Webster 1913 Edition

(ŭn-bī′as)

Verb.

[1st pref.

un-

bias

To free from bias or prejudice.

Swift.

Verb.

To free from bias or prejudice.

The truest service a private man can do his country, is to unbias his mind, as much as possible, between the rival powers.

unbias ‎(third-person singular simple present unbiases or unbiasses, present participle unbiasing or unbiassing, simple past and past participle unbiased or unbiassed)

(transitive) To free from bias or prejudice.
- Jonathan Swift
  But before things proceed to open Violence, the truest service a private Man may hope to do his Country, is by unbiassing his mind as much as possible, and then endeavouring to moderate between the rival Powers […]