objectively

impartially, indifferently, neutrally, open-mindedly, dispassionately, justly, equitably, detachedly, soberly, accurately, candidly, considerately, not subjectively, with objectivity, with impartiality, with due consideration, with judgment, without prejudice, without bias, without partiality, without passion, squarely*, on the square*, like a square shooter*, on the up and up*.