From Longman Dictionary of Contemporary Englishfair commentfair commentBritish English used to say that a remark or criticism seems reasonable → fair
Examples from the Corpus
fair comment• Another defence to an action for defamation is that of fair comment.• If its people called you a liberal subversive in the pay of effete capitalist Western powers it was regarded as fair comment.• To say that temperament is to a certain degree putty in the owner's hands, is fair comment.• This is fair comment; and the last clause in particular is, surprisingly, manifestly true, explain it how we may.• This was fair comment at the time; some of it doubtless justified.• There is no wrong done if it is true, or if it is fair comment on a matter of public interest. 