from Wiktionary, Creative Commons Attribution/Share-Alike License
- adv. in a justifiable manner; with justification
from The Century Dictionary and Cyclopedia
- In a justifiable manner; so as to admit of justification or excuse.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- adv. with good reason
justifiable + -ly (Wiktionary)