In a justifiable manner; with justification(adverb)
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Use "justifiably" in a sentence
"Garner's Modern American Usage says the word "might justifiably be treated as a skunked term," one that can't be relied upon to convey the intended meaning and is no longer of use."
"I believe these people dream of the day they have an excuse to shoot people 'justifiably'."
"Just like her two-decade climb up the Democratic ranks, Pelosi’s two years as House speaker have been marked by a style that might best be described as justifiably paranoid."