unprejudiced, unbiased, unbigoted^, unprepossessed^; undazzled^, unperplexed^; unwarped judgment^, impartial, equitable, fair.

His judgment was unwarped by flattery.

Let any mind, unwarped by prejudice and untrammelled by custom, decide whether the costume of the Rochester Bloomer or of the old lady be the more sensible.

The poetic, upward tendency of his nature will help him, and his devotion to his mother will hold him unwarped, while the struggle with a great, pure, and utterly hopeless passion shall at least make a sacred desert of his heart, where no unhallowed thought shall take root.