unprejudiced

US /ʌnˈpredʒ.ə.dɪst/
UK /ʌnˈpredʒ.ə.dɪst/
"unprejudiced" picture
1.

not having or showing a prejudice; impartial

:
A judge must remain unprejudiced to ensure fairness.
Her unprejudiced view allowed her to see both sides of the argument.