In an excusable manner or to an excusable degree(adverb)
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Use "excusably" in a sentence
"Communities faced with daily homicides, rapes and extortions excusably opt for the myopic solution of the apathetic response as a type of survival mechanism."
"Understandably, albeit not excusably, ostentatious landholding was favored most by new Whigs whose wealth and power came from trade."
"The reader, for his part, scarcely knows where to look, and wonders, very excusably, what species of organism it can possibly be, of which Britain, France, and Germany are members."