Justifiably

The Century Dictionary and Cyclopedia
  • In a justifiable manner; so as to admit of justification or excuse.
  • Wiktionary, Creative Commons Attribution/Share-Alike License
  • adverb. in a justifiable manner; with justification
  • WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
  • adverb. with good reason
  • Word Usage
    "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."