JUSTIFIABLY
justifiably
(adverb) with good reason; “he is justifiably bitter”
Source: WordNet® 3.1
Etymology
Adverb
justifiably (comparative more justifiably, superlative most justifiably)
in a justifiable manner; with justification
Source: Wiktionary
JUSTIFIABLE
Jus"ti*fi`a*ble, a. Etym: [Cf. F. justifiable. See Justify.]
Definition: Capable of being justified, or shown to be just.
Just are the ways of God, An justifiable to men. Milton.
Syn.
– Defensible; vindicable; warrantable; excusable; exculpable;
authorizable.
– Jus"ti*fi`a*ble*ness, n.
– Jus"ti*fi`a*bly, adv.
Source: Webster’s Unabridged Dictionary 1913 Edition