benefit
give someone the benefit of - explain or recount to someone at length (often used ironically when someone pompously or impertinently assumes that their knowledge or experience is superior to that of the person to whom they are talking).
2011Daily Telegraph He said it was 'those who are not bursting into the media to give us the benefit of their latest opinion', who were getting on with the job of making efficient savings.
the benefit of the doubt a concession that someone or something must be regarded as correct or justified, if the contrary has not been proved.