used to introduce a statement that defends sb who has just been criticized, or that explains another statement that may seem unreasonable :
In all fairness to him, he did try to stop her leaving.
used to introduce a statement that defends sb who has just been criticized, or that explains another statement that may seem unreasonable :
In all fairness to him, he did try to stop her leaving.
Oxford Advanced Learner's English Dictionary. Оксфордский английский словарь для изучающик язык на продвинутом уровне. 2005