-avoidleaningtoeitherside;beimpartialto;befreefromanybias;even-handed;favorneither...nor...;holdthescaleseven;notleaningtotheleftortotheright;nottothrowone'sweighteitherway;remainstrictlyneutral;shownopartialitytoeitherside;unbiased;withoutbiasandwithoutfavor;withoutpartiality