impartial
/ɪmˈpɑɹ.ʃəl/adjective
Fair to everyone involved; not favoring one side over another.
Example sentences
- “A referee must stay impartial throughout the match.”
- “We need an impartial judge who has no connection to either family.”
The 'im-' here means not partial, that is, not taking sides. Standard praise for judges, referees, and reporting.