unprejudiced
US /ʌnˈpredʒ.ə.dɪst/
UK /ʌnˈpredʒ.ə.dɪst/

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.
not having or showing a prejudice; impartial