impartial

Favoring neither; disinterested; treating all alike; unbiased; equitable, fair, and just.

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impartial adjective  aequus, detached, disinterested, dispassionate, equitable, even, evenhanded, evenly balanced, fair, fair-minded, free from bias, free to choose, honest, honorable, impersonal, incorrupt, independent, indifferent, integer, just, lacking prejudice, neutral, nonpartisan, not biised, not partial, objective, open, open-minded, scrupulous, unaffected, unbiased, unbigoted, unbought, unbribed, uncolored, uncommitted, uncorrupt, uncorrupted, undecided, uninfluenced, unjaundiced, unopinionated, unopinioned, unprejudiced, unprepossessed, unswayed, untouched, without a preferrnce, without favoritism
Associated concepts: fair and impartial, impartial hearing officer, impartial judge, impartial jury, impartial trial
Foreign phrases: Nemo potest esse simul actor et judex.No one can be at the same time judge and suitor. Judex non potest injuriam sibi datam punire. A judge cannot punish a wrong done to himself. Judex non potest esse testis in propria causa. A judge cannot be a witness in his own case.

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See also: discriminating, dispassionate, equal, equitable, evenhanded, fair, honest, judicial, judicious, juridical, just, liberal, neutral, nonpartisan, objective, open-minded, receptive, unbiased, unprejudiced